Finding the Fourth Proportional to 16,402.32, 24,590.72 and 7,636.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402.32 : 24,590.72 = 7,636.08 : x
2. Step 2: Convert to fraction form
   16,402.32/24,590.72 = 7,636.08/x
3. Step 3: Cross multiply
   16,402.32x = 24,590.72 × 7,636.08
4. Step 4: Simplify right side
   16,402.32x = 187,776,705.18
5. Step 5: Solve for x
   x = 187,776,705.18/16,402.32
6. Step 6: Final answer
   x = 11,448.18