Finding the Fourth Proportional to 1,471.38, 2,030.50 and 947.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.38 : 2,030.50 = 947.42 : x
2. Step 2: Convert to fraction form
   1,471.38/2,030.50 = 947.42/x
3. Step 3: Cross multiply
   1,471.38x = 2,030.50 × 947.42
4. Step 4: Simplify right side
   1,471.38x = 1,923,736.31
5. Step 5: Solve for x
   x = 1,923,736.31/1,471.38
6. Step 6: Final answer
   x = 1,307.44