Finding the Fourth Proportional to 57,101.47, 78,797.54 and 31,606.31

Step by Step Solution

1. Step 1: Write the proportion equation
   57,101.47 : 78,797.54 = 31,606.31 : x
2. Step 2: Convert to fraction form
   57,101.47/78,797.54 = 31,606.31/x
3. Step 3: Cross multiply
   57,101.47x = 78,797.54 × 31,606.31
4. Step 4: Simplify right side
   57,101.47x = 2,490,499,752.49
5. Step 5: Solve for x
   x = 2,490,499,752.49/57,101.47
6. Step 6: Final answer
   x = 43,615.34