Finding the Fourth Proportional to 58,406.61, 80,601.15 and 31,549.12

Step by Step Solution

1. Step 1: Write the proportion equation
   58,406.61 : 80,601.15 = 31,549.12 : x
2. Step 2: Convert to fraction form
   58,406.61/80,601.15 = 31,549.12/x
3. Step 3: Cross multiply
   58,406.61x = 80,601.15 × 31,549.12
4. Step 4: Simplify right side
   58,406.61x = 2,542,895,090.67
5. Step 5: Solve for x
   x = 2,542,895,090.67/58,406.61
6. Step 6: Final answer
   x = 43,537.80