Finding the Fourth Proportional to 1,493.75, 2,061.63 and 971.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.75 : 2,061.63 = 971.30 : x
2. Step 2: Convert to fraction form
   1,493.75/2,061.63 = 971.30/x
3. Step 3: Cross multiply
   1,493.75x = 2,061.63 × 971.30
4. Step 4: Simplify right side
   1,493.75x = 2,002,450.91
5. Step 5: Solve for x
   x = 2,002,450.91/1,493.75
6. Step 6: Final answer
   x = 1,340.56