Finding the Fourth Proportional to 14,100.12, 19,458.17 and 8,435.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,100.12 : 19,458.17 = 8,435.10 : x
2. Step 2: Convert to fraction form
   14,100.12/19,458.17 = 8,435.10/x
3. Step 3: Cross multiply
   14,100.12x = 19,458.17 × 8,435.10
4. Step 4: Simplify right side
   14,100.12x = 164,131,648.47
5. Step 5: Solve for x
   x = 164,131,648.47/14,100.12
6. Step 6: Final answer
   x = 11,640.45