Finding the Fourth Proportional to 1,493.93, 2,061.58 and 830.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.93 : 2,061.58 = 830.76 : x
2. Step 2: Convert to fraction form
   1,493.93/2,061.58 = 830.76/x
3. Step 3: Cross multiply
   1,493.93x = 2,061.58 × 830.76
4. Step 4: Simplify right side
   1,493.93x = 1,712,678.20
5. Step 5: Solve for x
   x = 1,712,678.20/1,493.93
6. Step 6: Final answer
   x = 1,146.42