Finding the Fourth Proportional to 1,471.05, 2,030.04 and 807.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.05 : 2,030.04 = 807.87 : x
2. Step 2: Convert to fraction form
   1,471.05/2,030.04 = 807.87/x
3. Step 3: Cross multiply
   1,471.05x = 2,030.04 × 807.87
4. Step 4: Simplify right side
   1,471.05x = 1,640,008.41
5. Step 5: Solve for x
   x = 1,640,008.41/1,471.05
6. Step 6: Final answer
   x = 1,114.86