Finding the Fourth Proportional to 16,659.61, 22,988.04 and 10,699.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,659.61 : 22,988.04 = 10,699.35 : x
2. Step 2: Convert to fraction form
   16,659.61/22,988.04 = 10,699.35/x
3. Step 3: Cross multiply
   16,659.61x = 22,988.04 × 10,699.35
4. Step 4: Simplify right side
   16,659.61x = 245,957,085.77
5. Step 5: Solve for x
   x = 245,957,085.77/16,659.61
6. Step 6: Final answer
   x = 14,763.68