Finding the Fourth Proportional to 1,501.08, 2,071.47 and 838.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.08 : 2,071.47 = 838.05 : x
2. Step 2: Convert to fraction form
   1,501.08/2,071.47 = 838.05/x
3. Step 3: Cross multiply
   1,501.08x = 2,071.47 × 838.05
4. Step 4: Simplify right side
   1,501.08x = 1,735,995.43
5. Step 5: Solve for x
   x = 1,735,995.43/1,501.08
6. Step 6: Final answer
   x = 1,156.50