Finding the Fourth Proportional to 8,156.88, 11,253.06 and 5,499.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,156.88 : 11,253.06 = 5,499.72 : x
2. Step 2: Convert to fraction form
   8,156.88/11,253.06 = 5,499.72/x
3. Step 3: Cross multiply
   8,156.88x = 11,253.06 × 5,499.72
4. Step 4: Simplify right side
   8,156.88x = 61,888,679.14
5. Step 5: Solve for x
   x = 61,888,679.14/8,156.88
6. Step 6: Final answer
   x = 7,587.30