Finding the Fourth Proportional to 12,008.93, 17,998.80 and 8,499.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008.93 : 17,998.80 = 8,499.96 : x
2. Step 2: Convert to fraction form
   12,008.93/17,998.80 = 8,499.96/x
3. Step 3: Cross multiply
   12,008.93x = 17,998.80 × 8,499.96
4. Step 4: Simplify right side
   12,008.93x = 152,989,080.05
5. Step 5: Solve for x
   x = 152,989,080.05/12,008.93
6. Step 6: Final answer
   x = 12,739.61