Finding the Fourth Proportional to 2,374.25, 3,561.35 and 913.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.25 : 3,561.35 = 913.71 : x
2. Step 2: Convert to fraction form
   2,374.25/3,561.35 = 913.71/x
3. Step 3: Cross multiply
   2,374.25x = 3,561.35 × 913.71
4. Step 4: Simplify right side
   2,374.25x = 3,254,036.54
5. Step 5: Solve for x
   x = 3,254,036.54/2,374.25
6. Step 6: Final answer
   x = 1,370.56