Finding the Fourth Proportional to 124,896.96, 187,345.60 and 31,402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,896.96 : 187,345.60 = 31,402.72 : x
2. Step 2: Convert to fraction form
   124,896.96/187,345.60 = 31,402.72/x
3. Step 3: Cross multiply
   124,896.96x = 187,345.60 × 31,402.72
4. Step 4: Simplify right side
   124,896.96x = 5,883,161,420.03
5. Step 5: Solve for x
   x = 5,883,161,420.03/124,896.96
6. Step 6: Final answer
   x = 47,104.12