Finding the Fourth Proportional to 2,541.96, 3,507.88 and 1,422.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.96 : 3,507.88 = 1,422.90 : x
2. Step 2: Convert to fraction form
   2,541.96/3,507.88 = 1,422.90/x
3. Step 3: Cross multiply
   2,541.96x = 3,507.88 × 1,422.90
4. Step 4: Simplify right side
   2,541.96x = 4,991,362.45
5. Step 5: Solve for x
   x = 4,991,362.45/2,541.96
6. Step 6: Final answer
   x = 1,963.59