Finding the Fourth Proportional to 57,119,997.50, 78,823,385.89 and 31,013,917.91

Step by Step Solution

1. Step 1: Write the proportion equation
   57,119,997.50 : 78,823,385.89 = 31,013,917.91 : x
2. Step 2: Convert to fraction form
   57,119,997.50/78,823,385.89 = 31,013,917.91/x
3. Step 3: Cross multiply
   57,119,997.50x = 78,823,385.89 × 31,013,917.91
4. Step 4: Simplify right side
   57,119,997.50x = 2,444,622,019,380,712.50
5. Step 5: Solve for x
   x = 2,444,622,019,380,712.50/57,119,997.50
6. Step 6: Final answer
   x = 42,798,006.41