Finding the Fourth Proportional to 32,779.38, 49,110.72 and 13,762.20

Step by Step Solution

1. Step 1: Write the proportion equation
   32,779.38 : 49,110.72 = 13,762.20 : x
2. Step 2: Convert to fraction form
   32,779.38/49,110.72 = 13,762.20/x
3. Step 3: Cross multiply
   32,779.38x = 49,110.72 × 13,762.20
4. Step 4: Simplify right side
   32,779.38x = 675,871,550.78
5. Step 5: Solve for x
   x = 675,871,550.78/32,779.38
6. Step 6: Final answer
   x = 20,618.80