Finding the Fourth Proportional to 9,830.89, 14,742.42 and 3,589.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,830.89 : 14,742.42 = 3,589.48 : x
2. Step 2: Convert to fraction form
   9,830.89/14,742.42 = 3,589.48/x
3. Step 3: Cross multiply
   9,830.89x = 14,742.42 × 3,589.48
4. Step 4: Simplify right side
   9,830.89x = 52,917,621.74
5. Step 5: Solve for x
   x = 52,917,621.74/9,830.89
6. Step 6: Final answer
   x = 5,382.79