Finding the Fourth Proportional to 58,500.44, 80,730.36 and 31,643

Step by Step Solution

1. Step 1: Write the proportion equation
   58,500.44 : 80,730.36 = 31,643 : x
2. Step 2: Convert to fraction form
   58,500.44/80,730.36 = 31,643/x
3. Step 3: Cross multiply
   58,500.44x = 80,730.36 × 31,643
4. Step 4: Simplify right side
   58,500.44x = 2,554,550,781.48
5. Step 5: Solve for x
   x = 2,554,550,781.48/58,500.44
6. Step 6: Final answer
   x = 43,667.21