Finding the Fourth Proportional to 14,424.12, 19,901.86 and 8,758.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,424.12 : 19,901.86 = 8,758.72 : x
2. Step 2: Convert to fraction form
   14,424.12/19,901.86 = 8,758.72/x
3. Step 3: Cross multiply
   14,424.12x = 19,901.86 × 8,758.72
4. Step 4: Simplify right side
   14,424.12x = 174,314,819.22
5. Step 5: Solve for x
   x = 174,314,819.22/14,424.12
6. Step 6: Final answer
   x = 12,084.95