Finding the Fourth Proportional to 52,588.64, 72,581.67 and 31,077.47

Step by Step Solution

1. Step 1: Write the proportion equation
   52,588.64 : 72,581.67 = 31,077.47 : x
2. Step 2: Convert to fraction form
   52,588.64/72,581.67 = 31,077.47/x
3. Step 3: Cross multiply
   52,588.64x = 72,581.67 × 31,077.47
4. Step 4: Simplify right side
   52,588.64x = 2,255,654,309.07
5. Step 5: Solve for x
   x = 2,255,654,309.07/52,588.64
6. Step 6: Final answer
   x = 42,892.43