Finding the Fourth Proportional to 2,488.08, 3,731.40 and 948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.08 : 3,731.40 = 948.72 : x
2. Step 2: Convert to fraction form
   2,488.08/3,731.40 = 948.72/x
3. Step 3: Cross multiply
   2,488.08x = 3,731.40 × 948.72
4. Step 4: Simplify right side
   2,488.08x = 3,540,053.81
5. Step 5: Solve for x
   x = 3,540,053.81/2,488.08
6. Step 6: Final answer
   x = 1,422.81