Finding the Fourth Proportional to 2,264.56, 3,389.72 and 1,557.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264.56 : 3,389.72 = 1,557.63 : x
2. Step 2: Convert to fraction form
   2,264.56/3,389.72 = 1,557.63/x
3. Step 3: Cross multiply
   2,264.56x = 3,389.72 × 1,557.63
4. Step 4: Simplify right side
   2,264.56x = 5,279,934.92
5. Step 5: Solve for x
   x = 5,279,934.92/2,264.56
6. Step 6: Final answer
   x = 2,331.55