Finding the Fourth Proportional to 1,375.92, 2,063.34 and 498.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.92 : 2,063.34 = 498.18 : x
2. Step 2: Convert to fraction form
   1,375.92/2,063.34 = 498.18/x
3. Step 3: Cross multiply
   1,375.92x = 2,063.34 × 498.18
4. Step 4: Simplify right side
   1,375.92x = 1,027,914.72
5. Step 5: Solve for x
   x = 1,027,914.72/1,375.92
6. Step 6: Final answer
   x = 747.07