Finding the Fourth Proportional to 11,479.35, 15,841.76 and 7,002.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,479.35 : 15,841.76 = 7,002.57 : x
2. Step 2: Convert to fraction form
   11,479.35/15,841.76 = 7,002.57/x
3. Step 3: Cross multiply
   11,479.35x = 15,841.76 × 7,002.57
4. Step 4: Simplify right side
   11,479.35x = 110,932,998.31
5. Step 5: Solve for x
   x = 110,932,998.31/11,479.35
6. Step 6: Final answer
   x = 9,663.70