Finding the Fourth Proportional to 58,407.86, 80,602.88 and 31,550.37

Step by Step Solution

1. Step 1: Write the proportion equation
   58,407.86 : 80,602.88 = 31,550.37 : x
2. Step 2: Convert to fraction form
   58,407.86/80,602.88 = 31,550.37/x
3. Step 3: Cross multiply
   58,407.86x = 80,602.88 × 31,550.37
4. Step 4: Simplify right side
   58,407.86x = 2,543,050,687.07
5. Step 5: Solve for x
   x = 2,543,050,687.07/58,407.86
6. Step 6: Final answer
   x = 43,539.53