Finding the Fourth Proportional to 2,670.71, 3,685.33 and 1,551.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.71 : 3,685.33 = 1,551.63 : x
2. Step 2: Convert to fraction form
   2,670.71/3,685.33 = 1,551.63/x
3. Step 3: Cross multiply
   2,670.71x = 3,685.33 × 1,551.63
4. Step 4: Simplify right side
   2,670.71x = 5,718,268.59
5. Step 5: Solve for x
   x = 5,718,268.59/2,670.71
6. Step 6: Final answer
   x = 2,141.10