Finding the Fourth Proportional to 1,493.73, 2,061.39 and 830.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.73 : 2,061.39 = 830.63 : x
2. Step 2: Convert to fraction form
   1,493.73/2,061.39 = 830.63/x
3. Step 3: Cross multiply
   1,493.73x = 2,061.39 × 830.63
4. Step 4: Simplify right side
   1,493.73x = 1,712,240.31
5. Step 5: Solve for x
   x = 1,712,240.31/1,493.73
6. Step 6: Final answer
   x = 1,146.28