Finding the Fourth Proportional to 14,557.82, 21,821.17 and 7,530.77

Step by Step Solution

1. Step 1: Write the proportion equation
   14,557.82 : 21,821.17 = 7,530.77 : x
2. Step 2: Convert to fraction form
   14,557.82/21,821.17 = 7,530.77/x
3. Step 3: Cross multiply
   14,557.82x = 21,821.17 × 7,530.77
4. Step 4: Simplify right side
   14,557.82x = 164,330,084.47
5. Step 5: Solve for x
   x = 164,330,084.47/14,557.82
6. Step 6: Final answer
   x = 11,288.10