Finding the Fourth Proportional to 2,670.36, 3,685.86 and 1,551.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.36 : 3,685.86 = 1,551.78 : x
2. Step 2: Convert to fraction form
   2,670.36/3,685.86 = 1,551.78/x
3. Step 3: Cross multiply
   2,670.36x = 3,685.86 × 1,551.78
4. Step 4: Simplify right side
   2,670.36x = 5,719,643.83
5. Step 5: Solve for x
   x = 5,719,643.83/2,670.36
6. Step 6: Final answer
   x = 2,141.90