Finding the Fourth Proportional to 16,656.03, 24,985.46 and 5,257.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,656.03 : 24,985.46 = 5,257.31 : x
2. Step 2: Convert to fraction form
   16,656.03/24,985.46 = 5,257.31/x
3. Step 3: Cross multiply
   16,656.03x = 24,985.46 × 5,257.31
4. Step 4: Simplify right side
   16,656.03x = 131,356,196.93
5. Step 5: Solve for x
   x = 131,356,196.93/16,656.03
6. Step 6: Final answer
   x = 7,886.40