Finding the Fourth Proportional to 1,501.52, 2,072.08 and 838.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.52 : 2,072.08 = 838.24 : x
2. Step 2: Convert to fraction form
   1,501.52/2,072.08 = 838.24/x
3. Step 3: Cross multiply
   1,501.52x = 2,072.08 × 838.24
4. Step 4: Simplify right side
   1,501.52x = 1,736,900.34
5. Step 5: Solve for x
   x = 1,736,900.34/1,501.52
6. Step 6: Final answer
   x = 1,156.76