Finding the Fourth Proportional to 2,415.59, 3,333.53 and 1,367.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.59 : 3,333.53 = 1,367.86 : x
2. Step 2: Convert to fraction form
   2,415.59/3,333.53 = 1,367.86/x
3. Step 3: Cross multiply
   2,415.59x = 3,333.53 × 1,367.86
4. Step 4: Simplify right side
   2,415.59x = 4,559,778.84
5. Step 5: Solve for x
   x = 4,559,778.84/2,415.59
6. Step 6: Final answer
   x = 1,887.65