Finding the Fourth Proportional to 1,653.96, 2,282.50 and 907.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,653.96 : 2,282.50 = 907.91 : x
2. Step 2: Convert to fraction form
   1,653.96/2,282.50 = 907.91/x
3. Step 3: Cross multiply
   1,653.96x = 2,282.50 × 907.91
4. Step 4: Simplify right side
   1,653.96x = 2,072,300.04
5. Step 5: Solve for x
   x = 2,072,300.04/1,653.96
6. Step 6: Final answer
   x = 1,252.94