Finding the Fourth Proportional to 1,665.15, 2,492.25 and 1,482.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.15 : 2,492.25 = 1,482.90 : x
2. Step 2: Convert to fraction form
   1,665.15/2,492.25 = 1,482.90/x
3. Step 3: Cross multiply
   1,665.15x = 2,492.25 × 1,482.90
4. Step 4: Simplify right side
   1,665.15x = 3,695,757.53
5. Step 5: Solve for x
   x = 3,695,757.53/1,665.15
6. Step 6: Final answer
   x = 2,219.47