Finding the Fourth Proportional to 2,126.55, 2,933.57 and 1,380.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126.55 : 2,933.57 = 1,380.93 : x
2. Step 2: Convert to fraction form
   2,126.55/2,933.57 = 1,380.93/x
3. Step 3: Cross multiply
   2,126.55x = 2,933.57 × 1,380.93
4. Step 4: Simplify right side
   2,126.55x = 4,051,039.50
5. Step 5: Solve for x
   x = 4,051,039.50/2,126.55
6. Step 6: Final answer
   x = 1,904.98