Finding the Fourth Proportional to 1,493.38, 2,060.86 and 830.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.38 : 2,060.86 = 830.19 : x
2. Step 2: Convert to fraction form
   1,493.38/2,060.86 = 830.19/x
3. Step 3: Cross multiply
   1,493.38x = 2,060.86 × 830.19
4. Step 4: Simplify right side
   1,493.38x = 1,710,912.57
5. Step 5: Solve for x
   x = 1,710,912.57/1,493.38
6. Step 6: Final answer
   x = 1,145.66