Finding the Fourth Proportional to 11,691.52, 17,541.60 and 4,300.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,691.52 : 17,541.60 = 4,300.81 : x
2. Step 2: Convert to fraction form
   11,691.52/17,541.60 = 4,300.81/x
3. Step 3: Cross multiply
   11,691.52x = 17,541.60 × 4,300.81
4. Step 4: Simplify right side
   11,691.52x = 75,443,088.70
5. Step 5: Solve for x
   x = 75,443,088.70/11,691.52
6. Step 6: Final answer
   x = 6,452.80