Finding the Fourth Proportional to 2,415.72, 3,618.98 and 1,376.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.72 : 3,618.98 = 1,376.43 : x
2. Step 2: Convert to fraction form
   2,415.72/3,618.98 = 1,376.43/x
3. Step 3: Cross multiply
   2,415.72x = 3,618.98 × 1,376.43
4. Step 4: Simplify right side
   2,415.72x = 4,981,274.81
5. Step 5: Solve for x
   x = 4,981,274.81/2,415.72
6. Step 6: Final answer
   x = 2,062.03