Finding the Fourth Proportional to 16,808.88, 25,216.98 and 5,123.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,808.88 : 25,216.98 = 5,123.01 : x
2. Step 2: Convert to fraction form
   16,808.88/25,216.98 = 5,123.01/x
3. Step 3: Cross multiply
   16,808.88x = 25,216.98 × 5,123.01
4. Step 4: Simplify right side
   16,808.88x = 129,186,840.71
5. Step 5: Solve for x
   x = 129,186,840.71/16,808.88
6. Step 6: Final answer
   x = 7,685.63