Finding the Fourth Proportional to 2,538.56, 3,807.52 and 807.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.56 : 3,807.52 = 807.04 : x
2. Step 2: Convert to fraction form
   2,538.56/3,807.52 = 807.04/x
3. Step 3: Cross multiply
   2,538.56x = 3,807.52 × 807.04
4. Step 4: Simplify right side
   2,538.56x = 3,072,820.94
5. Step 5: Solve for x
   x = 3,072,820.94/2,538.56
6. Step 6: Final answer
   x = 1,210.46