Finding the Fourth Proportional to 1,105.34, 1,525.37 and 607.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.34 : 1,525.37 = 607.96 : x
2. Step 2: Convert to fraction form
   1,105.34/1,525.37 = 607.96/x
3. Step 3: Cross multiply
   1,105.34x = 1,525.37 × 607.96
4. Step 4: Simplify right side
   1,105.34x = 927,372.23
5. Step 5: Solve for x
   x = 927,372.23/1,105.34
6. Step 6: Final answer
   x = 838.99