Finding the Fourth Proportional to 52,327.32, 72,186.32 and 31,091.55

Step by Step Solution

1. Step 1: Write the proportion equation
   52,327.32 : 72,186.32 = 31,091.55 : x
2. Step 2: Convert to fraction form
   52,327.32/72,186.32 = 31,091.55/x
3. Step 3: Cross multiply
   52,327.32x = 72,186.32 × 31,091.55
4. Step 4: Simplify right side
   52,327.32x = 2,244,384,655.32
5. Step 5: Solve for x
   x = 2,244,384,655.32/52,327.32
6. Step 6: Final answer
   x = 42,891.26