Finding the Fourth Proportional to 67,665,836.71, 93,019,864.49 and 58,212,129.07

Step by Step Solution

1. Step 1: Write the proportion equation
   67,665,836.71 : 93,019,864.49 = 58,212,129.07 : x
2. Step 2: Convert to fraction form
   67,665,836.71/93,019,864.49 = 58,212,129.07/x
3. Step 3: Cross multiply
   67,665,836.71x = 93,019,864.49 × 58,212,129.07
4. Step 4: Simplify right side
   67,665,836.71x = 5,414,884,357,765,789
5. Step 5: Solve for x
   x = 5,414,884,357,765,789/67,665,836.71
6. Step 6: Final answer
   x = 80,023,903.07