Finding the Fourth Proportional to 58,500.69, 80,730.96 and 31,643.18

Step by Step Solution

1. Step 1: Write the proportion equation
   58,500.69 : 80,730.96 = 31,643.18 : x
2. Step 2: Convert to fraction form
   58,500.69/80,730.96 = 31,643.18/x
3. Step 3: Cross multiply
   58,500.69x = 80,730.96 × 31,643.18
4. Step 4: Simplify right side
   58,500.69x = 2,554,584,382.02
5. Step 5: Solve for x
   x = 2,554,584,382.02/58,500.69
6. Step 6: Final answer
   x = 43,667.60