Finding the Fourth Proportional to 55,127.34, 76,073.42 and 31,255.62

Step by Step Solution

1. Step 1: Write the proportion equation
   55,127.34 : 76,073.42 = 31,255.62 : x
2. Step 2: Convert to fraction form
   55,127.34/76,073.42 = 31,255.62/x
3. Step 3: Cross multiply
   55,127.34x = 76,073.42 × 31,255.62
4. Step 4: Simplify right side
   55,127.34x = 2,377,721,751.34
5. Step 5: Solve for x
   x = 2,377,721,751.34/55,127.34
6. Step 6: Final answer
   x = 43,131.44