Finding the Fourth Proportional to 1,493.30, 2,060.82 and 830.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.30 : 2,060.82 = 830.22 : x
2. Step 2: Convert to fraction form
   1,493.30/2,060.82 = 830.22/x
3. Step 3: Cross multiply
   1,493.30x = 2,060.82 × 830.22
4. Step 4: Simplify right side
   1,493.30x = 1,710,933.98
5. Step 5: Solve for x
   x = 1,710,933.98/1,493.30
6. Step 6: Final answer
   x = 1,145.74