Finding the Fourth Proportional to 64,942,340.82, 89,586,452.97 and 40,154,604.18

Step by Step Solution

1. Step 1: Write the proportion equation
   64,942,340.82 : 89,586,452.97 = 40,154,604.18 : x
2. Step 2: Convert to fraction form
   64,942,340.82/89,586,452.97 = 40,154,604.18/x
3. Step 3: Cross multiply
   64,942,340.82x = 89,586,452.97 × 40,154,604.18
4. Step 4: Simplify right side
   64,942,340.82x = 3,597,308,558,900,535.50
5. Step 5: Solve for x
   x = 3,597,308,558,900,535.50/64,942,340.82
6. Step 6: Final answer
   x = 55,392,345.17