Finding the Fourth Proportional to 58,501.59, 80,731.89 and 31,644.02

Step by Step Solution

1. Step 1: Write the proportion equation
   58,501.59 : 80,731.89 = 31,644.02 : x
2. Step 2: Convert to fraction form
   58,501.59/80,731.89 = 31,644.02/x
3. Step 3: Cross multiply
   58,501.59x = 80,731.89 × 31,644.02
4. Step 4: Simplify right side
   58,501.59x = 2,554,681,138.14
5. Step 5: Solve for x
   x = 2,554,681,138.14/58,501.59
6. Step 6: Final answer
   x = 43,668.58