Finding the Fourth Proportional to 2,523.83, 3,787.47 and 880.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.83 : 3,787.47 = 880.38 : x
2. Step 2: Convert to fraction form
   2,523.83/3,787.47 = 880.38/x
3. Step 3: Cross multiply
   2,523.83x = 3,787.47 × 880.38
4. Step 4: Simplify right side
   2,523.83x = 3,334,412.84
5. Step 5: Solve for x
   x = 3,334,412.84/2,523.83
6. Step 6: Final answer
   x = 1,321.17