Finding the Fourth Proportional to 1,267.34, 1,899.59 and 572.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267.34 : 1,899.59 = 572.97 : x
2. Step 2: Convert to fraction form
   1,267.34/1,899.59 = 572.97/x
3. Step 3: Cross multiply
   1,267.34x = 1,899.59 × 572.97
4. Step 4: Simplify right side
   1,267.34x = 1,088,401.32
5. Step 5: Solve for x
   x = 1,088,401.32/1,267.34
6. Step 6: Final answer
   x = 858.81