Finding the Fourth Proportional to 52,398.69, 72,298.98 and 31,173.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,398.69 : 72,298.98 = 31,173.81 : x
2. Step 2: Convert to fraction form
   52,398.69/72,298.98 = 31,173.81/x
3. Step 3: Cross multiply
   52,398.69x = 72,298.98 × 31,173.81
4. Step 4: Simplify right side
   52,398.69x = 2,253,834,665.71
5. Step 5: Solve for x
   x = 2,253,834,665.71/52,398.69
6. Step 6: Final answer
   x = 43,013.19