Finding the Fourth Proportional to 2,553.32, 3,830.63 and 910.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.32 : 3,830.63 = 910.04 : x
2. Step 2: Convert to fraction form
   2,553.32/3,830.63 = 910.04/x
3. Step 3: Cross multiply
   2,553.32x = 3,830.63 × 910.04
4. Step 4: Simplify right side
   2,553.32x = 3,486,002.82
5. Step 5: Solve for x
   x = 3,486,002.82/2,553.32
6. Step 6: Final answer
   x = 1,365.28