Finding the Fourth Proportional to 2,359.59, 3,539.52 and 1,264.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.59 : 3,539.52 = 1,264.74 : x
2. Step 2: Convert to fraction form
   2,359.59/3,539.52 = 1,264.74/x
3. Step 3: Cross multiply
   2,359.59x = 3,539.52 × 1,264.74
4. Step 4: Simplify right side
   2,359.59x = 4,476,572.52
5. Step 5: Solve for x
   x = 4,476,572.52/2,359.59
6. Step 6: Final answer
   x = 1,897.18