Finding the Fourth Proportional to 1,834.78, 2,531.55 and 1,038.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,834.78 : 2,531.55 = 1,038.12 : x
2. Step 2: Convert to fraction form
   1,834.78/2,531.55 = 1,038.12/x
3. Step 3: Cross multiply
   1,834.78x = 2,531.55 × 1,038.12
4. Step 4: Simplify right side
   1,834.78x = 2,628,052.69
5. Step 5: Solve for x
   x = 2,628,052.69/1,834.78
6. Step 6: Final answer
   x = 1,432.35