Finding the Fourth Proportional to 14,557.92, 21,821.31 and 7,530.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,557.92 : 21,821.31 = 7,530.86 : x
2. Step 2: Convert to fraction form
   14,557.92/21,821.31 = 7,530.86/x
3. Step 3: Cross multiply
   14,557.92x = 21,821.31 × 7,530.86
4. Step 4: Simplify right side
   14,557.92x = 164,333,141.25
5. Step 5: Solve for x
   x = 164,333,141.25/14,557.92
6. Step 6: Final answer
   x = 11,288.23