Finding the Fourth Proportional to 1,344.55, 1,856.89 and 925.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.55 : 1,856.89 = 925.98 : x
2. Step 2: Convert to fraction form
   1,344.55/1,856.89 = 925.98/x
3. Step 3: Cross multiply
   1,344.55x = 1,856.89 × 925.98
4. Step 4: Simplify right side
   1,344.55x = 1,719,443.00
5. Step 5: Solve for x
   x = 1,719,443.00/1,344.55
6. Step 6: Final answer
   x = 1,278.82