Finding the Fourth Proportional to 1,494.04, 2,061.54 and 830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.04 : 2,061.54 = 830.72 : x
2. Step 2: Convert to fraction form
   1,494.04/2,061.54 = 830.72/x
3. Step 3: Cross multiply
   1,494.04x = 2,061.54 × 830.72
4. Step 4: Simplify right side
   1,494.04x = 1,712,562.51
5. Step 5: Solve for x
   x = 1,712,562.51/1,494.04
6. Step 6: Final answer
   x = 1,146.26