Finding the Fourth Proportional to 14,557.51, 21,834.13 and 7,159.98

Step by Step Solution

1. Step 1: Write the proportion equation
   14,557.51 : 21,834.13 = 7,159.98 : x
2. Step 2: Convert to fraction form
   14,557.51/21,834.13 = 7,159.98/x
3. Step 3: Cross multiply
   14,557.51x = 21,834.13 × 7,159.98
4. Step 4: Simplify right side
   14,557.51x = 156,331,789.15
5. Step 5: Solve for x
   x = 156,331,789.15/14,557.51
6. Step 6: Final answer
   x = 10,738.91