Finding the Fourth Proportional to 1,806.30, 2,492.52 and 1,009.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.30 : 2,492.52 = 1,009.62 : x
2. Step 2: Convert to fraction form
   1,806.30/2,492.52 = 1,009.62/x
3. Step 3: Cross multiply
   1,806.30x = 2,492.52 × 1,009.62
4. Step 4: Simplify right side
   1,806.30x = 2,516,498.04
5. Step 5: Solve for x
   x = 2,516,498.04/1,806.30
6. Step 6: Final answer
   x = 1,393.18