Finding the Fourth Proportional to 1,870.48, 2,581.16 and 1,162.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.48 : 2,581.16 = 1,162.16 : x
2. Step 2: Convert to fraction form
   1,870.48/2,581.16 = 1,162.16/x
3. Step 3: Cross multiply
   1,870.48x = 2,581.16 × 1,162.16
4. Step 4: Simplify right side
   1,870.48x = 2,999,720.91
5. Step 5: Solve for x
   x = 2,999,720.91/1,870.48
6. Step 6: Final answer
   x = 1,603.72