Finding the Fourth Proportional to 1,653.34, 2,281.61 and 954.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,653.34 : 2,281.61 = 954.72 : x
2. Step 2: Convert to fraction form
   1,653.34/2,281.61 = 954.72/x
3. Step 3: Cross multiply
   1,653.34x = 2,281.61 × 954.72
4. Step 4: Simplify right side
   1,653.34x = 2,178,298.70
5. Step 5: Solve for x
   x = 2,178,298.70/1,653.34
6. Step 6: Final answer
   x = 1,317.51