Finding the Fourth Proportional to 9,904.20, 14,861.70 and 4,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,904.20 : 14,861.70 = 4,061.40 : x
2. Step 2: Convert to fraction form
   9,904.20/14,861.70 = 4,061.40/x
3. Step 3: Cross multiply
   9,904.20x = 14,861.70 × 4,061.40
4. Step 4: Simplify right side
   9,904.20x = 60,359,308.38
5. Step 5: Solve for x
   x = 60,359,308.38/9,904.20
6. Step 6: Final answer
   x = 6,094.31