Finding the Fourth Proportional to 15,610.02, 21,541.86 and 8,536.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,610.02 : 21,541.86 = 8,536.50 : x
2. Step 2: Convert to fraction form
   15,610.02/21,541.86 = 8,536.50/x
3. Step 3: Cross multiply
   15,610.02x = 21,541.86 × 8,536.50
4. Step 4: Simplify right side
   15,610.02x = 183,892,087.89
5. Step 5: Solve for x
   x = 183,892,087.89/15,610.02
6. Step 6: Final answer
   x = 11,780.39