Finding the Fourth Proportional to 2,526.94, 3,792.18 and 1,415.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.94 : 3,792.18 = 1,415.20 : x
2. Step 2: Convert to fraction form
   2,526.94/3,792.18 = 1,415.20/x
3. Step 3: Cross multiply
   2,526.94x = 3,792.18 × 1,415.20
4. Step 4: Simplify right side
   2,526.94x = 5,366,693.14
5. Step 5: Solve for x
   x = 5,366,693.14/2,526.94
6. Step 6: Final answer
   x = 2,123.79