Finding the Fourth Proportional to 2,373.77, 3,274.79 and 1,429.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.77 : 3,274.79 = 1,429.55 : x
2. Step 2: Convert to fraction form
   2,373.77/3,274.79 = 1,429.55/x
3. Step 3: Cross multiply
   2,373.77x = 3,274.79 × 1,429.55
4. Step 4: Simplify right side
   2,373.77x = 4,681,452.52
5. Step 5: Solve for x
   x = 4,681,452.52/2,373.77
6. Step 6: Final answer
   x = 1,972.16