Finding the Fourth Proportional to 52,454.70, 72,387.81 and 31,234.86

Step by Step Solution

1. Step 1: Write the proportion equation
   52,454.70 : 72,387.81 = 31,234.86 : x
2. Step 2: Convert to fraction form
   52,454.70/72,387.81 = 31,234.86/x
3. Step 3: Cross multiply
   52,454.70x = 72,387.81 × 31,234.86
4. Step 4: Simplify right side
   52,454.70x = 2,261,023,111.06
5. Step 5: Solve for x
   x = 2,261,023,111.06/52,454.70
6. Step 6: Final answer
   x = 43,104.30