Finding the Fourth Proportional to 1,104.77, 1,524.52 and 607.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.77 : 1,524.52 = 607.31 : x
2. Step 2: Convert to fraction form
   1,104.77/1,524.52 = 607.31/x
3. Step 3: Cross multiply
   1,104.77x = 1,524.52 × 607.31
4. Step 4: Simplify right side
   1,104.77x = 925,856.24
5. Step 5: Solve for x
   x = 925,856.24/1,104.77
6. Step 6: Final answer
   x = 838.05