Finding the Fourth Proportional to 14,449.86, 19,934.91 and 8,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,449.86 : 19,934.91 = 8,784.72 : x
2. Step 2: Convert to fraction form
   14,449.86/19,934.91 = 8,784.72/x
3. Step 3: Cross multiply
   14,449.86x = 19,934.91 × 8,784.72
4. Step 4: Simplify right side
   14,449.86x = 175,122,602.58
5. Step 5: Solve for x
   x = 175,122,602.58/14,449.86
6. Step 6: Final answer
   x = 12,119.33