Finding the Fourth Proportional to 14,223.13, 21,336.72 and 7,557.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,223.13 : 21,336.72 = 7,557.89 : x
2. Step 2: Convert to fraction form
   14,223.13/21,336.72 = 7,557.89/x
3. Step 3: Cross multiply
   14,223.13x = 21,336.72 × 7,557.89
4. Step 4: Simplify right side
   14,223.13x = 161,260,582.72
5. Step 5: Solve for x
   x = 161,260,582.72/14,223.13
6. Step 6: Final answer
   x = 11,337.91