Finding the Fourth Proportional to 1,354.56, 1,876.32 and 1,245.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.56 : 1,876.32 = 1,245.12 : x
2. Step 2: Convert to fraction form
   1,354.56/1,876.32 = 1,245.12/x
3. Step 3: Cross multiply
   1,354.56x = 1,876.32 × 1,245.12
4. Step 4: Simplify right side
   1,354.56x = 2,336,243.56
5. Step 5: Solve for x
   x = 2,336,243.56/1,354.56
6. Step 6: Final answer
   x = 1,724.73