Finding the Fourth Proportional to 1,155.02, 1,732.82 and 607.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.02 : 1,732.82 = 607.05 : x
2. Step 2: Convert to fraction form
   1,155.02/1,732.82 = 607.05/x
3. Step 3: Cross multiply
   1,155.02x = 1,732.82 × 607.05
4. Step 4: Simplify right side
   1,155.02x = 1,051,905.35
5. Step 5: Solve for x
   x = 1,051,905.35/1,155.02
6. Step 6: Final answer
   x = 910.73