Finding the Fourth Proportional to 1,094.03, 1,641.86 and 517.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.03 : 1,641.86 = 517.31 : x
2. Step 2: Convert to fraction form
   1,094.03/1,641.86 = 517.31/x
3. Step 3: Cross multiply
   1,094.03x = 1,641.86 × 517.31
4. Step 4: Simplify right side
   1,094.03x = 849,348.01
5. Step 5: Solve for x
   x = 849,348.01/1,094.03
6. Step 6: Final answer
   x = 776.35