Finding the Fourth Proportional to 13,300.02, 19,956.98 and 8,618.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.02 : 19,956.98 = 8,618.83 : x
2. Step 2: Convert to fraction form
   13,300.02/19,956.98 = 8,618.83/x
3. Step 3: Cross multiply
   13,300.02x = 19,956.98 × 8,618.83
4. Step 4: Simplify right side
   13,300.02x = 172,005,789.59
5. Step 5: Solve for x
   x = 172,005,789.59/13,300.02
6. Step 6: Final answer
   x = 12,932.75