Finding the Fourth Proportional to 12,402.83, 17,116.21 and 7,099.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402.83 : 17,116.21 = 7,099.36 : x
2. Step 2: Convert to fraction form
   12,402.83/17,116.21 = 7,099.36/x
3. Step 3: Cross multiply
   12,402.83x = 17,116.21 × 7,099.36
4. Step 4: Simplify right side
   12,402.83x = 121,514,102.71
5. Step 5: Solve for x
   x = 121,514,102.71/12,402.83
6. Step 6: Final answer
   x = 9,797.29