Finding the Fourth Proportional to 14,118.16, 19,482.51 and 7,830.40

Step by Step Solution

1. Step 1: Write the proportion equation
   14,118.16 : 19,482.51 = 7,830.40 : x
2. Step 2: Convert to fraction form
   14,118.16/19,482.51 = 7,830.40/x
3. Step 3: Cross multiply
   14,118.16x = 19,482.51 × 7,830.40
4. Step 4: Simplify right side
   14,118.16x = 152,555,846.30
5. Step 5: Solve for x
   x = 152,555,846.30/14,118.16
6. Step 6: Final answer
   x = 10,805.65