Finding the Fourth Proportional to 1,454.72, 2,181.12 and 942.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.72 : 2,181.12 = 942.08 : x
2. Step 2: Convert to fraction form
   1,454.72/2,181.12 = 942.08/x
3. Step 3: Cross multiply
   1,454.72x = 2,181.12 × 942.08
4. Step 4: Simplify right side
   1,454.72x = 2,054,789.53
5. Step 5: Solve for x
   x = 2,054,789.53/1,454.72
6. Step 6: Final answer
   x = 1,412.50