Finding the Fourth Proportional to 1,806.48, 2,492.82 and 1,009.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.48 : 2,492.82 = 1,009.74 : x
2. Step 2: Convert to fraction form
   1,806.48/2,492.82 = 1,009.74/x
3. Step 3: Cross multiply
   1,806.48x = 2,492.82 × 1,009.74
4. Step 4: Simplify right side
   1,806.48x = 2,517,100.07
5. Step 5: Solve for x
   x = 2,517,100.07/1,806.48
6. Step 6: Final answer
   x = 1,393.37