Finding the Fourth Proportional to 793.42, 1,095.82 and 498.94

Step by Step Solution

1. Step 1: Write the proportion equation
   793.42 : 1,095.82 = 498.94 : x
2. Step 2: Convert to fraction form
   793.42/1,095.82 = 498.94/x
3. Step 3: Cross multiply
   793.42x = 1,095.82 × 498.94
4. Step 4: Simplify right side
   793.42x = 546,748.43
5. Step 5: Solve for x
   x = 546,748.43/793.42
6. Step 6: Final answer
   x = 689.10