Finding the Fourth Proportional to 1,501.98, 2,072.46 and 838.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.98 : 2,072.46 = 838.71 : x
2. Step 2: Convert to fraction form
   1,501.98/2,072.46 = 838.71/x
3. Step 3: Cross multiply
   1,501.98x = 2,072.46 × 838.71
4. Step 4: Simplify right side
   1,501.98x = 1,738,192.93
5. Step 5: Solve for x
   x = 1,738,192.93/1,501.98
6. Step 6: Final answer
   x = 1,157.27