Finding the Fourth Proportional to 16,656.78, 22,985.94 and 9,587.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,656.78 : 22,985.94 = 9,587.10 : x
2. Step 2: Convert to fraction form
   16,656.78/22,985.94 = 9,587.10/x
3. Step 3: Cross multiply
   16,656.78x = 22,985.94 × 9,587.10
4. Step 4: Simplify right side
   16,656.78x = 220,368,505.37
5. Step 5: Solve for x
   x = 220,368,505.37/16,656.78
6. Step 6: Final answer
   x = 13,229.96