Finding the Fourth Proportional to 11,187.98, 15,439.59 and 6,152.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,187.98 : 15,439.59 = 6,152.42 : x
2. Step 2: Convert to fraction form
   11,187.98/15,439.59 = 6,152.42/x
3. Step 3: Cross multiply
   11,187.98x = 15,439.59 × 6,152.42
4. Step 4: Simplify right side
   11,187.98x = 94,990,842.31
5. Step 5: Solve for x
   x = 94,990,842.31/11,187.98
6. Step 6: Final answer
   x = 8,490.44