Finding the Fourth Proportional to 11,635.32, 16,061.40 and 7,160.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,635.32 : 16,061.40 = 7,160.88 : x
2. Step 2: Convert to fraction form
   11,635.32/16,061.40 = 7,160.88/x
3. Step 3: Cross multiply
   11,635.32x = 16,061.40 × 7,160.88
4. Step 4: Simplify right side
   11,635.32x = 115,013,758.03
5. Step 5: Solve for x
   x = 115,013,758.03/11,635.32
6. Step 6: Final answer
   x = 9,884.88