Finding the Fourth Proportional to 11,590.96, 16,006.88 and 9,902.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,590.96 : 16,006.88 = 9,902.52 : x
2. Step 2: Convert to fraction form
   11,590.96/16,006.88 = 9,902.52/x
3. Step 3: Cross multiply
   11,590.96x = 16,006.88 × 9,902.52
4. Step 4: Simplify right side
   11,590.96x = 158,508,449.34
5. Step 5: Solve for x
   x = 158,508,449.34/11,590.96
6. Step 6: Final answer
   x = 13,675.18