Finding the Fourth Proportional to 1,471.07, 2,030.01 and 807.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.07 : 2,030.01 = 807.91 : x
2. Step 2: Convert to fraction form
   1,471.07/2,030.01 = 807.91/x
3. Step 3: Cross multiply
   1,471.07x = 2,030.01 × 807.91
4. Step 4: Simplify right side
   1,471.07x = 1,640,065.38
5. Step 5: Solve for x
   x = 1,640,065.38/1,471.07
6. Step 6: Final answer
   x = 1,114.88