Finding the Fourth Proportional to 58,499, 80,758.48 and 40,562.86

Step by Step Solution

1. Step 1: Write the proportion equation
   58,499 : 80,758.48 = 40,562.86 : x
2. Step 2: Convert to fraction form
   58,499/80,758.48 = 40,562.86/x
3. Step 3: Cross multiply
   58,499x = 80,758.48 × 40,562.86
4. Step 4: Simplify right side
   58,499x = 3,275,794,918.05
5. Step 5: Solve for x
   x = 3,275,794,918.05/58,499
6. Step 6: Final answer
   x = 55,997.45