Finding the Fourth Proportional to 1,937.32, 2,909.94 and 1,280.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,937.32 : 2,909.94 = 1,280.14 : x
2. Step 2: Convert to fraction form
   1,937.32/2,909.94 = 1,280.14/x
3. Step 3: Cross multiply
   1,937.32x = 2,909.94 × 1,280.14
4. Step 4: Simplify right side
   1,937.32x = 3,725,130.59
5. Step 5: Solve for x
   x = 3,725,130.59/1,937.32
6. Step 6: Final answer
   x = 1,922.83