Finding the Fourth Proportional to 1,493.22, 2,060.61 and 830.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.22 : 2,060.61 = 830.04 : x
2. Step 2: Convert to fraction form
   1,493.22/2,060.61 = 830.04/x
3. Step 3: Cross multiply
   1,493.22x = 2,060.61 × 830.04
4. Step 4: Simplify right side
   1,493.22x = 1,710,388.72
5. Step 5: Solve for x
   x = 1,710,388.72/1,493.22
6. Step 6: Final answer
   x = 1,145.44