Finding the Fourth Proportional to 1,653.34, 2,281.56 and 907.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,653.34 : 2,281.56 = 907.32 : x
2. Step 2: Convert to fraction form
   1,653.34/2,281.56 = 907.32/x
3. Step 3: Cross multiply
   1,653.34x = 2,281.56 × 907.32
4. Step 4: Simplify right side
   1,653.34x = 2,070,105.02
5. Step 5: Solve for x
   x = 2,070,105.02/1,653.34
6. Step 6: Final answer
   x = 1,252.07