Finding the Fourth Proportional to 1,502.01, 2,072.65 and 838.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502.01 : 2,072.65 = 838.82 : x
2. Step 2: Convert to fraction form
   1,502.01/2,072.65 = 838.82/x
3. Step 3: Cross multiply
   1,502.01x = 2,072.65 × 838.82
4. Step 4: Simplify right side
   1,502.01x = 1,738,565.72
5. Step 5: Solve for x
   x = 1,738,565.72/1,502.01
6. Step 6: Final answer
   x = 1,157.50