Finding the Fourth Proportional to 2,272.30, 3,135.80 and 1,277.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.30 : 3,135.80 = 1,277.59 : x
2. Step 2: Convert to fraction form
   2,272.30/3,135.80 = 1,277.59/x
3. Step 3: Cross multiply
   2,272.30x = 3,135.80 × 1,277.59
4. Step 4: Simplify right side
   2,272.30x = 4,006,266.72
5. Step 5: Solve for x
   x = 4,006,266.72/2,272.30
6. Step 6: Final answer
   x = 1,763.09