Finding the Fourth Proportional to 1,501.74, 2,072.33 and 912.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.74 : 2,072.33 = 912.62 : x
2. Step 2: Convert to fraction form
   1,501.74/2,072.33 = 912.62/x
3. Step 3: Cross multiply
   1,501.74x = 2,072.33 × 912.62
4. Step 4: Simplify right side
   1,501.74x = 1,891,247.32
5. Step 5: Solve for x
   x = 1,891,247.32/1,501.74
6. Step 6: Final answer
   x = 1,259.37