Finding the Fourth Proportional to 1,653.93, 2,282.39 and 907.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,653.93 : 2,282.39 = 907.89 : x
2. Step 2: Convert to fraction form
   1,653.93/2,282.39 = 907.89/x
3. Step 3: Cross multiply
   1,653.93x = 2,282.39 × 907.89
4. Step 4: Simplify right side
   1,653.93x = 2,072,154.52
5. Step 5: Solve for x
   x = 2,072,154.52/1,653.93
6. Step 6: Final answer
   x = 1,252.87