Finding the Fourth Proportional to 1,060.18, 1,462.72 and 617.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.18 : 1,462.72 = 617.92 : x
2. Step 2: Convert to fraction form
   1,060.18/1,462.72 = 617.92/x
3. Step 3: Cross multiply
   1,060.18x = 1,462.72 × 617.92
4. Step 4: Simplify right side
   1,060.18x = 903,843.94
5. Step 5: Solve for x
   x = 903,843.94/1,060.18
6. Step 6: Final answer
   x = 852.54