Finding the Fourth Proportional to 90,866,355,465.31, 136,302,309,934.37 and 31,174,180,414.79

Step by Step Solution

1. Step 1: Write the proportion equation
   90,866,355,465.31 : 136,302,309,934.37 = 31,174,180,414.79 : x
2. Step 2: Convert to fraction form
   90,866,355,465.31/136,302,309,934.37 = 31,174,180,414.79/x
3. Step 3: Cross multiply
   90,866,355,465.31x = 136,302,309,934.37 × 31,174,180,414.79
4. Step 4: Simplify right side
   90,866,355,465.31x = 4,249,112,800,846,673,870,848
5. Step 5: Solve for x
   x = 4,249,112,800,846,673,870,848/90,866,355,465.31
6. Step 6: Final answer
   x = 46,762,223,257.31