Finding the Fourth Proportional to 2,126.55, 2,933.61 and 1,380.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126.55 : 2,933.61 = 1,380.74 : x
2. Step 2: Convert to fraction form
   2,126.55/2,933.61 = 1,380.74/x
3. Step 3: Cross multiply
   2,126.55x = 2,933.61 × 1,380.74
4. Step 4: Simplify right side
   2,126.55x = 4,050,551.59
5. Step 5: Solve for x
   x = 4,050,551.59/2,126.55
6. Step 6: Final answer
   x = 1,904.76