Finding the Fourth Proportional to 57,009.42, 78,697.98 and 43,581.24

Step by Step Solution

1. Step 1: Write the proportion equation
   57,009.42 : 78,697.98 = 43,581.24 : x
2. Step 2: Convert to fraction form
   57,009.42/78,697.98 = 43,581.24/x
3. Step 3: Cross multiply
   57,009.42x = 78,697.98 × 43,581.24
4. Step 4: Simplify right side
   57,009.42x = 3,429,755,553.90
5. Step 5: Solve for x
   x = 3,429,755,553.90/57,009.42
6. Step 6: Final answer
   x = 60,161.21