Finding the Fourth Proportional to 8,430.72, 11,649.84 and 8,026.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,430.72 : 11,649.84 = 8,026.08 : x
2. Step 2: Convert to fraction form
   8,430.72/11,649.84 = 8,026.08/x
3. Step 3: Cross multiply
   8,430.72x = 11,649.84 × 8,026.08
4. Step 4: Simplify right side
   8,430.72x = 93,502,547.83
5. Step 5: Solve for x
   x = 93,502,547.83/8,430.72
6. Step 6: Final answer
   x = 11,090.70