Finding the Fourth Proportional to 9,890.39, 14,843.69 and 4,047.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,890.39 : 14,843.69 = 4,047.05 : x
2. Step 2: Convert to fraction form
   9,890.39/14,843.69 = 4,047.05/x
3. Step 3: Cross multiply
   9,890.39x = 14,843.69 × 4,047.05
4. Step 4: Simplify right side
   9,890.39x = 60,073,155.61
5. Step 5: Solve for x
   x = 60,073,155.61/9,890.39
6. Step 6: Final answer
   x = 6,073.89