Finding the Fourth Proportional to 52,240.02, 72,092.71 and 30,731.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,240.02 : 72,092.71 = 30,731.34 : x
2. Step 2: Convert to fraction form
   52,240.02/72,092.71 = 30,731.34/x
3. Step 3: Cross multiply
   52,240.02x = 72,092.71 × 30,731.34
4. Step 4: Simplify right side
   52,240.02x = 2,215,505,582.53
5. Step 5: Solve for x
   x = 2,215,505,582.53/52,240.02
6. Step 6: Final answer
   x = 42,410.12