Finding the Fourth Proportional to 1,501.36, 2,071.82 and 838.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.36 : 2,071.82 = 838.22 : x
2. Step 2: Convert to fraction form
   1,501.36/2,071.82 = 838.22/x
3. Step 3: Cross multiply
   1,501.36x = 2,071.82 × 838.22
4. Step 4: Simplify right side
   1,501.36x = 1,736,632.70
5. Step 5: Solve for x
   x = 1,736,632.70/1,501.36
6. Step 6: Final answer
   x = 1,156.71