Finding the Fourth Proportional to 1,612.06, 2,225.15 and 940.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612.06 : 2,225.15 = 940.08 : x
2. Step 2: Convert to fraction form
   1,612.06/2,225.15 = 940.08/x
3. Step 3: Cross multiply
   1,612.06x = 2,225.15 × 940.08
4. Step 4: Simplify right side
   1,612.06x = 2,091,819.01
5. Step 5: Solve for x
   x = 2,091,819.01/1,612.06
6. Step 6: Final answer
   x = 1,297.61