Finding the Fourth Proportional to 1,501.49, 2,072.88 and 942.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.49 : 2,072.88 = 942.09 : x
2. Step 2: Convert to fraction form
   1,501.49/2,072.88 = 942.09/x
3. Step 3: Cross multiply
   1,501.49x = 2,072.88 × 942.09
4. Step 4: Simplify right side
   1,501.49x = 1,952,839.52
5. Step 5: Solve for x
   x = 1,952,839.52/1,501.49
6. Step 6: Final answer
   x = 1,300.60