Finding the Fourth Proportional to 12,830.82, 17,706.82 and 7,088.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,830.82 : 17,706.82 = 7,088.26 : x
2. Step 2: Convert to fraction form
   12,830.82/17,706.82 = 7,088.26/x
3. Step 3: Cross multiply
   12,830.82x = 17,706.82 × 7,088.26
4. Step 4: Simplify right side
   12,830.82x = 125,510,543.93
5. Step 5: Solve for x
   x = 125,510,543.93/12,830.82
6. Step 6: Final answer
   x = 9,781.96