Finding the Fourth Proportional to 14,117.76, 19,482.56 and 7,830.24

Step by Step Solution

1. Step 1: Write the proportion equation
   14,117.76 : 19,482.56 = 7,830.24 : x
2. Step 2: Convert to fraction form
   14,117.76/19,482.56 = 7,830.24/x
3. Step 3: Cross multiply
   14,117.76x = 19,482.56 × 7,830.24
4. Step 4: Simplify right side
   14,117.76x = 152,553,120.61
5. Step 5: Solve for x
   x = 152,553,120.61/14,117.76
6. Step 6: Final answer
   x = 10,805.76