Finding the Fourth Proportional to 12,045.59, 16,618.89 and 7,008.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,045.59 : 16,618.89 = 7,008.74 : x
2. Step 2: Convert to fraction form
   12,045.59/16,618.89 = 7,008.74/x
3. Step 3: Cross multiply
   12,045.59x = 16,618.89 × 7,008.74
4. Step 4: Simplify right side
   12,045.59x = 116,477,396.00
5. Step 5: Solve for x
   x = 116,477,396.00/12,045.59
6. Step 6: Final answer
   x = 9,669.72