Finding the Fourth Proportional to 2,886.32, 4,330.50 and 938.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.32 : 4,330.50 = 938.52 : x
2. Step 2: Convert to fraction form
   2,886.32/4,330.50 = 938.52/x
3. Step 3: Cross multiply
   2,886.32x = 4,330.50 × 938.52
4. Step 4: Simplify right side
   2,886.32x = 4,064,260.86
5. Step 5: Solve for x
   x = 4,064,260.86/2,886.32
6. Step 6: Final answer
   x = 1,408.11