Finding the Fourth Proportional to 78,042.26, 116,961.33 and 31,327.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,042.26 : 116,961.33 = 31,327.94 : x
2. Step 2: Convert to fraction form
   78,042.26/116,961.33 = 31,327.94/x
3. Step 3: Cross multiply
   78,042.26x = 116,961.33 × 31,327.94
4. Step 4: Simplify right side
   78,042.26x = 3,664,157,528.56
5. Step 5: Solve for x
   x = 3,664,157,528.56/78,042.26
6. Step 6: Final answer
   x = 46,950.94