Finding the Fourth Proportional to 2,553.99, 3,830.53 and 888.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.99 : 3,830.53 = 888.15 : x
2. Step 2: Convert to fraction form
   2,553.99/3,830.53 = 888.15/x
3. Step 3: Cross multiply
   2,553.99x = 3,830.53 × 888.15
4. Step 4: Simplify right side
   2,553.99x = 3,402,085.22
5. Step 5: Solve for x
   x = 3,402,085.22/2,553.99
6. Step 6: Final answer
   x = 1,332.07