Finding the Fourth Proportional to 12,430.98, 17,155.89 and 6,842.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,430.98 : 17,155.89 = 6,842.34 : x
2. Step 2: Convert to fraction form
   12,430.98/17,155.89 = 6,842.34/x
3. Step 3: Cross multiply
   12,430.98x = 17,155.89 × 6,842.34
4. Step 4: Simplify right side
   12,430.98x = 117,386,432.38
5. Step 5: Solve for x
   x = 117,386,432.38/12,430.98
6. Step 6: Final answer
   x = 9,443.06