Finding the Fourth Proportional to 4,726.62, 7,090.17 and 1,439.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,726.62 : 7,090.17 = 1,439.82 : x
2. Step 2: Convert to fraction form
   4,726.62/7,090.17 = 1,439.82/x
3. Step 3: Cross multiply
   4,726.62x = 7,090.17 × 1,439.82
4. Step 4: Simplify right side
   4,726.62x = 10,208,568.57
5. Step 5: Solve for x
   x = 10,208,568.57/4,726.62
6. Step 6: Final answer
   x = 2,159.80