Finding the Fourth Proportional to 52,361.22, 72,270.56 and 31,152.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,361.22 : 72,270.56 = 31,152.58 : x
2. Step 2: Convert to fraction form
   52,361.22/72,270.56 = 31,152.58/x
3. Step 3: Cross multiply
   52,361.22x = 72,270.56 × 31,152.58
4. Step 4: Simplify right side
   52,361.22x = 2,251,414,402.04
5. Step 5: Solve for x
   x = 2,251,414,402.04/52,361.22
6. Step 6: Final answer
   x = 42,997.75