Finding the Fourth Proportional to 1,501.43, 2,071.87 and 838.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.43 : 2,071.87 = 838.27 : x
2. Step 2: Convert to fraction form
   1,501.43/2,071.87 = 838.27/x
3. Step 3: Cross multiply
   1,501.43x = 2,071.87 × 838.27
4. Step 4: Simplify right side
   1,501.43x = 1,736,786.46
5. Step 5: Solve for x
   x = 1,736,786.46/1,501.43
6. Step 6: Final answer
   x = 1,156.75