Finding the Fourth Proportional to 2,356.41, 3,535.98 and 1,261.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.41 : 3,535.98 = 1,261.39 : x
2. Step 2: Convert to fraction form
   2,356.41/3,535.98 = 1,261.39/x
3. Step 3: Cross multiply
   2,356.41x = 3,535.98 × 1,261.39
4. Step 4: Simplify right side
   2,356.41x = 4,460,225.83
5. Step 5: Solve for x
   x = 4,460,225.83/2,356.41
6. Step 6: Final answer
   x = 1,892.81