Finding the Fourth Proportional to 1,506.72, 2,073.84 and 1,284.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,506.72 : 2,073.84 = 1,284.96 : x
2. Step 2: Convert to fraction form
   1,506.72/2,073.84 = 1,284.96/x
3. Step 3: Cross multiply
   1,506.72x = 2,073.84 × 1,284.96
4. Step 4: Simplify right side
   1,506.72x = 2,664,801.45
5. Step 5: Solve for x
   x = 2,664,801.45/1,506.72
6. Step 6: Final answer
   x = 1,768.61