Finding the Fourth Proportional to 2,355.47, 3,250.71 and 1,360.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.47 : 3,250.71 = 1,360.79 : x
2. Step 2: Convert to fraction form
   2,355.47/3,250.71 = 1,360.79/x
3. Step 3: Cross multiply
   2,355.47x = 3,250.71 × 1,360.79
4. Step 4: Simplify right side
   2,355.47x = 4,423,526.86
5. Step 5: Solve for x
   x = 4,423,526.86/2,355.47
6. Step 6: Final answer
   x = 1,877.98