Finding the Fourth Proportional to 2,432.72, 3,648.30 and 788.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,432.72 : 3,648.30 = 788.93 : x
2. Step 2: Convert to fraction form
   2,432.72/3,648.30 = 788.93/x
3. Step 3: Cross multiply
   2,432.72x = 3,648.30 × 788.93
4. Step 4: Simplify right side
   2,432.72x = 2,878,253.32
5. Step 5: Solve for x
   x = 2,878,253.32/2,432.72
6. Step 6: Final answer
   x = 1,183.14