Finding the Fourth Proportional to 14,117.42, 19,481.55 and 7,830.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,117.42 : 19,481.55 = 7,830.38 : x
2. Step 2: Convert to fraction form
   14,117.42/19,481.55 = 7,830.38/x
3. Step 3: Cross multiply
   14,117.42x = 19,481.55 × 7,830.38
4. Step 4: Simplify right side
   14,117.42x = 152,547,939.49
5. Step 5: Solve for x
   x = 152,547,939.49/14,117.42
6. Step 6: Final answer
   x = 10,805.65