Finding the Fourth Proportional to 2,272.32, 3,135.78 and 1,376.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.32 : 3,135.78 = 1,376.10 : x
2. Step 2: Convert to fraction form
   2,272.32/3,135.78 = 1,376.10/x
3. Step 3: Cross multiply
   2,272.32x = 3,135.78 × 1,376.10
4. Step 4: Simplify right side
   2,272.32x = 4,315,146.86
5. Step 5: Solve for x
   x = 4,315,146.86/2,272.32
6. Step 6: Final answer
   x = 1,899.00