Finding the Fourth Proportional to 14,088.50, 21,129.33 and 4,726.09

Step by Step Solution

1. Step 1: Write the proportion equation
   14,088.50 : 21,129.33 = 4,726.09 : x
2. Step 2: Convert to fraction form
   14,088.50/21,129.33 = 4,726.09/x
3. Step 3: Cross multiply
   14,088.50x = 21,129.33 × 4,726.09
4. Step 4: Simplify right side
   14,088.50x = 99,859,091.59
5. Step 5: Solve for x
   x = 99,859,091.59/14,088.50
6. Step 6: Final answer
   x = 7,087.99