Finding the Fourth Proportional to 57,061.01, 78,738.09 and 31,563.32

Step by Step Solution

1. Step 1: Write the proportion equation
   57,061.01 : 78,738.09 = 31,563.32 : x
2. Step 2: Convert to fraction form
   57,061.01/78,738.09 = 31,563.32/x
3. Step 3: Cross multiply
   57,061.01x = 78,738.09 × 31,563.32
4. Step 4: Simplify right side
   57,061.01x = 2,485,235,137.17
5. Step 5: Solve for x
   x = 2,485,235,137.17/57,061.01
6. Step 6: Final answer
   x = 43,554.00