Finding the Fourth Proportional to 58,543.98, 80,790.53 and 31,686.48

Step by Step Solution

1. Step 1: Write the proportion equation
   58,543.98 : 80,790.53 = 31,686.48 : x
2. Step 2: Convert to fraction form
   58,543.98/80,790.53 = 31,686.48/x
3. Step 3: Cross multiply
   58,543.98x = 80,790.53 × 31,686.48
4. Step 4: Simplify right side
   58,543.98x = 2,559,967,354.60
5. Step 5: Solve for x
   x = 2,559,967,354.60/58,543.98
6. Step 6: Final answer
   x = 43,727.25