Finding the Fourth Proportional to 2,415.60, 3,333.52 and 1,367.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.60 : 3,333.52 = 1,367.86 : x
2. Step 2: Convert to fraction form
   2,415.60/3,333.52 = 1,367.86/x
3. Step 3: Cross multiply
   2,415.60x = 3,333.52 × 1,367.86
4. Step 4: Simplify right side
   2,415.60x = 4,559,788.67
5. Step 5: Solve for x
   x = 4,559,788.67/2,415.60
6. Step 6: Final answer
   x = 1,887.64