Finding the Fourth Proportional to 1,502.93, 2,074.00 and 830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502.93 : 2,074.00 = 830.72 : x
2. Step 2: Convert to fraction form
   1,502.93/2,074.00 = 830.72/x
3. Step 3: Cross multiply
   1,502.93x = 2,074.00 × 830.72
4. Step 4: Simplify right side
   1,502.93x = 1,722,908.61
5. Step 5: Solve for x
   x = 1,722,908.61/1,502.93
6. Step 6: Final answer
   x = 1,146.37