Finding the Fourth Proportional to 1,501.91, 2,073.60 and 943.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.91 : 2,073.60 = 943.20 : x
2. Step 2: Convert to fraction form
   1,501.91/2,073.60 = 943.20/x
3. Step 3: Cross multiply
   1,501.91x = 2,073.60 × 943.20
4. Step 4: Simplify right side
   1,501.91x = 1,955,819.52
5. Step 5: Solve for x
   x = 1,955,819.52/1,501.91
6. Step 6: Final answer
   x = 1,302.23