Finding the Fourth Proportional to 10,667.68, 14,726.28 and 7,088.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.68 : 14,726.28 = 7,088.20 : x
2. Step 2: Convert to fraction form
   10,667.68/14,726.28 = 7,088.20/x
3. Step 3: Cross multiply
   10,667.68x = 14,726.28 × 7,088.20
4. Step 4: Simplify right side
   10,667.68x = 104,382,817.90
5. Step 5: Solve for x
   x = 104,382,817.90/10,667.68
6. Step 6: Final answer
   x = 9,784.96