Finding the Fourth Proportional to 3,838.47, 5,294.00 and 2,579.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838.47 : 5,294.00 = 2,579.13 : x
2. Step 2: Convert to fraction form
   3,838.47/5,294.00 = 2,579.13/x
3. Step 3: Cross multiply
   3,838.47x = 5,294.00 × 2,579.13
4. Step 4: Simplify right side
   3,838.47x = 13,653,901.32
5. Step 5: Solve for x
   x = 13,653,901.32/3,838.47
6. Step 6: Final answer
   x = 3,557.12