Finding the Fourth Proportional to 2,713.38, 4,068.24 and 1,415.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.38 : 4,068.24 = 1,415.76 : x
2. Step 2: Convert to fraction form
   2,713.38/4,068.24 = 1,415.76/x
3. Step 3: Cross multiply
   2,713.38x = 4,068.24 × 1,415.76
4. Step 4: Simplify right side
   2,713.38x = 5,759,651.46
5. Step 5: Solve for x
   x = 5,759,651.46/2,713.38
6. Step 6: Final answer
   x = 2,122.69