Finding the Fourth Proportional to 12,123.57, 16,724.90 and 7,088.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,123.57 : 16,724.90 = 7,088.01 : x
2. Step 2: Convert to fraction form
   12,123.57/16,724.90 = 7,088.01/x
3. Step 3: Cross multiply
   12,123.57x = 16,724.90 × 7,088.01
4. Step 4: Simplify right side
   12,123.57x = 118,546,223.01
5. Step 5: Solve for x
   x = 118,546,223.01/12,123.57
6. Step 6: Final answer
   x = 9,778.16