Finding the Fourth Proportional to 3,498.71, 5,248.31 and 1,158.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.71 : 5,248.31 = 1,158.62 : x
2. Step 2: Convert to fraction form
   3,498.71/5,248.31 = 1,158.62/x
3. Step 3: Cross multiply
   3,498.71x = 5,248.31 × 1,158.62
4. Step 4: Simplify right side
   3,498.71x = 6,080,796.93
5. Step 5: Solve for x
   x = 6,080,796.93/3,498.71
6. Step 6: Final answer
   x = 1,738.01