Finding the Fourth Proportional to 2,547.55, 3,823.17 and 904.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.55 : 3,823.17 = 904.11 : x
2. Step 2: Convert to fraction form
   2,547.55/3,823.17 = 904.11/x
3. Step 3: Cross multiply
   2,547.55x = 3,823.17 × 904.11
4. Step 4: Simplify right side
   2,547.55x = 3,456,566.23
5. Step 5: Solve for x
   x = 3,456,566.23/2,547.55
6. Step 6: Final answer
   x = 1,356.82