Finding the Fourth Proportional to 57,052.74, 78,726.72 and 31,555.06

Step by Step Solution

1. Step 1: Write the proportion equation
   57,052.74 : 78,726.72 = 31,555.06 : x
2. Step 2: Convert to fraction form
   57,052.74/78,726.72 = 31,555.06/x
3. Step 3: Cross multiply
   57,052.74x = 78,726.72 × 31,555.06
4. Step 4: Simplify right side
   57,052.74x = 2,484,226,294.72
5. Step 5: Solve for x
   x = 2,484,226,294.72/57,052.74
6. Step 6: Final answer
   x = 43,542.63