Finding the Fourth Proportional to 57,102,471.56, 78,801,510.71 and 30,997,007.08

Step by Step Solution

1. Step 1: Write the proportion equation
   57,102,471.56 : 78,801,510.71 = 30,997,007.08 : x
2. Step 2: Convert to fraction form
   57,102,471.56/78,801,510.71 = 30,997,007.08/x
3. Step 3: Cross multiply
   57,102,471.56x = 78,801,510.71 × 30,997,007.08
4. Step 4: Simplify right side
   57,102,471.56x = 2,442,610,985,392,565.50
5. Step 5: Solve for x
   x = 2,442,610,985,392,565.50/57,102,471.56
6. Step 6: Final answer
   x = 42,775,924.03