Finding the Fourth Proportional to 1,094.61, 1,641.94 and 610.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.61 : 1,641.94 = 610.74 : x
2. Step 2: Convert to fraction form
   1,094.61/1,641.94 = 610.74/x
3. Step 3: Cross multiply
   1,094.61x = 1,641.94 × 610.74
4. Step 4: Simplify right side
   1,094.61x = 1,002,796.91
5. Step 5: Solve for x
   x = 1,002,796.91/1,094.61
6. Step 6: Final answer
   x = 916.12