Finding the Fourth Proportional to 58,417.08, 80,565.90 and 49,386.48

Step by Step Solution

1. Step 1: Write the proportion equation
   58,417.08 : 80,565.90 = 49,386.48 : x
2. Step 2: Convert to fraction form
   58,417.08/80,565.90 = 49,386.48/x
3. Step 3: Cross multiply
   58,417.08x = 80,565.90 × 49,386.48
4. Step 4: Simplify right side
   58,417.08x = 3,978,866,209.03
5. Step 5: Solve for x
   x = 3,978,866,209.03/58,417.08
6. Step 6: Final answer
   x = 68,111.35