Finding the Fourth Proportional to 2,711.98, 3,742.35 and 1,577.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,711.98 : 3,742.35 = 1,577.48 : x
2. Step 2: Convert to fraction form
   2,711.98/3,742.35 = 1,577.48/x
3. Step 3: Cross multiply
   2,711.98x = 3,742.35 × 1,577.48
4. Step 4: Simplify right side
   2,711.98x = 5,903,466.52
5. Step 5: Solve for x
   x = 5,903,466.52/2,711.98
6. Step 6: Final answer
   x = 2,176.81