Finding the Fourth Proportional to 57,109,896.05, 78,812,572.32 and 31,004,393.09

Step by Step Solution

1. Step 1: Write the proportion equation
   57,109,896.05 : 78,812,572.32 = 31,004,393.09 : x
2. Step 2: Convert to fraction form
   57,109,896.05/78,812,572.32 = 31,004,393.09/x
3. Step 3: Cross multiply
   57,109,896.05x = 78,812,572.32 × 31,004,393.09
4. Step 4: Simplify right side
   57,109,896.05x = 2,443,535,972,249,270.50
5. Step 5: Solve for x
   x = 2,443,535,972,249,270.50/57,109,896.05
6. Step 6: Final answer
   x = 42,786,559.62