Finding the Fourth Proportional to 9,516.56, 13,130.28 and 5,787.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,516.56 : 13,130.28 = 5,787.92 : x
2. Step 2: Convert to fraction form
   9,516.56/13,130.28 = 5,787.92/x
3. Step 3: Cross multiply
   9,516.56x = 13,130.28 × 5,787.92
4. Step 4: Simplify right side
   9,516.56x = 75,997,010.22
5. Step 5: Solve for x
   x = 75,997,010.22/9,516.56
6. Step 6: Final answer
   x = 7,985.76