Finding the Fourth Proportional to 14,139.83, 19,513.51 and 8,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,139.83 : 19,513.51 = 8,475.50 : x
2. Step 2: Convert to fraction form
   14,139.83/19,513.51 = 8,475.50/x
3. Step 3: Cross multiply
   14,139.83x = 19,513.51 × 8,475.50
4. Step 4: Simplify right side
   14,139.83x = 165,386,781.60
5. Step 5: Solve for x
   x = 165,386,781.60/14,139.83
6. Step 6: Final answer
   x = 11,696.52