Finding the Fourth Proportional to 52,335.46, 72,197.52 and 31,099.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,335.46 : 72,197.52 = 31,099.69 : x
2. Step 2: Convert to fraction form
   52,335.46/72,197.52 = 31,099.69/x
3. Step 3: Cross multiply
   52,335.46x = 72,197.52 × 31,099.69
4. Step 4: Simplify right side
   52,335.46x = 2,245,320,490.77
5. Step 5: Solve for x
   x = 2,245,320,490.77/52,335.46
6. Step 6: Final answer
   x = 42,902.47