Finding the Fourth Proportional to 2,807.83, 4,212.17 and 907.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,807.83 : 4,212.17 = 907.52 : x
2. Step 2: Convert to fraction form
   2,807.83/4,212.17 = 907.52/x
3. Step 3: Cross multiply
   2,807.83x = 4,212.17 × 907.52
4. Step 4: Simplify right side
   2,807.83x = 3,822,602.92
5. Step 5: Solve for x
   x = 3,822,602.92/2,807.83
6. Step 6: Final answer
   x = 1,361.41