Finding the Fourth Proportional to 32,111.32, 48,162.12 and 8,739.60

Step by Step Solution

1. Step 1: Write the proportion equation
   32,111.32 : 48,162.12 = 8,739.60 : x
2. Step 2: Convert to fraction form
   32,111.32/48,162.12 = 8,739.60/x
3. Step 3: Cross multiply
   32,111.32x = 48,162.12 × 8,739.60
4. Step 4: Simplify right side
   32,111.32x = 420,917,663.95
5. Step 5: Solve for x
   x = 420,917,663.95/32,111.32
6. Step 6: Final answer
   x = 13,108.08