Finding the Fourth Proportional to 32,443.64, 48,678.18 and 12,718.82

Step by Step Solution

1. Step 1: Write the proportion equation
   32,443.64 : 48,678.18 = 12,718.82 : x
2. Step 2: Convert to fraction form
   32,443.64/48,678.18 = 12,718.82/x
3. Step 3: Cross multiply
   32,443.64x = 48,678.18 × 12,718.82
4. Step 4: Simplify right side
   32,443.64x = 619,129,009.35
5. Step 5: Solve for x
   x = 619,129,009.35/32,443.64
6. Step 6: Final answer
   x = 19,083.22