Finding the Fourth Proportional to 1,060.65, 1,463.00 and 839.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.65 : 1,463.00 = 839.25 : x
2. Step 2: Convert to fraction form
   1,060.65/1,463.00 = 839.25/x
3. Step 3: Cross multiply
   1,060.65x = 1,463.00 × 839.25
4. Step 4: Simplify right side
   1,060.65x = 1,227,818.55
5. Step 5: Solve for x
   x = 1,227,818.55/1,060.65
6. Step 6: Final answer
   x = 1,157.61