Finding the Fourth Proportional to 1,805.98, 2,492.46 and 1,009.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.98 : 2,492.46 = 1,009.60 : x
2. Step 2: Convert to fraction form
   1,805.98/2,492.46 = 1,009.60/x
3. Step 3: Cross multiply
   1,805.98x = 2,492.46 × 1,009.60
4. Step 4: Simplify right side
   1,805.98x = 2,516,387.62
5. Step 5: Solve for x
   x = 2,516,387.62/1,805.98
6. Step 6: Final answer
   x = 1,393.36