Finding the Fourth Proportional to 2,272.31, 3,135.72 and 1,277.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.31 : 3,135.72 = 1,277.56 : x
2. Step 2: Convert to fraction form
   2,272.31/3,135.72 = 1,277.56/x
3. Step 3: Cross multiply
   2,272.31x = 3,135.72 × 1,277.56
4. Step 4: Simplify right side
   2,272.31x = 4,006,079.15
5. Step 5: Solve for x
   x = 4,006,079.15/2,272.31
6. Step 6: Final answer
   x = 1,763.00