Finding the Fourth Proportional to 1,493.37, 2,060.74 and 830.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.37 : 2,060.74 = 830.17 : x
2. Step 2: Convert to fraction form
   1,493.37/2,060.74 = 830.17/x
3. Step 3: Cross multiply
   1,493.37x = 2,060.74 × 830.17
4. Step 4: Simplify right side
   1,493.37x = 1,710,764.53
5. Step 5: Solve for x
   x = 1,710,764.53/1,493.37
6. Step 6: Final answer
   x = 1,145.57