Finding the Fourth Proportional to 16,658.86, 22,987.00 and 10,698.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,658.86 : 22,987.00 = 10,698.60 : x
2. Step 2: Convert to fraction form
   16,658.86/22,987.00 = 10,698.60/x
3. Step 3: Cross multiply
   16,658.86x = 22,987.00 × 10,698.60
4. Step 4: Simplify right side
   16,658.86x = 245,928,549.77
5. Step 5: Solve for x
   x = 245,928,549.77/16,658.86
6. Step 6: Final answer
   x = 14,762.63