Finding the Fourth Proportional to 15,100.56, 20,837.25 and 8,816.58

Step by Step Solution

1. Step 1: Write the proportion equation
   15,100.56 : 20,837.25 = 8,816.58 : x
2. Step 2: Convert to fraction form
   15,100.56/20,837.25 = 8,816.58/x
3. Step 3: Cross multiply
   15,100.56x = 20,837.25 × 8,816.58
4. Step 4: Simplify right side
   15,100.56x = 183,713,281.61
5. Step 5: Solve for x
   x = 183,713,281.61/15,100.56
6. Step 6: Final answer
   x = 12,165.99