Finding the Fourth Proportional to 1,493.27, 2,060.52 and 830.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.27 : 2,060.52 = 830.07 : x
2. Step 2: Convert to fraction form
   1,493.27/2,060.52 = 830.07/x
3. Step 3: Cross multiply
   1,493.27x = 2,060.52 × 830.07
4. Step 4: Simplify right side
   1,493.27x = 1,710,375.84
5. Step 5: Solve for x
   x = 1,710,375.84/1,493.27
6. Step 6: Final answer
   x = 1,145.39