Finding the Fourth Proportional to 1,151.37, 1,588.94 and 647.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.37 : 1,588.94 = 647.32 : x
2. Step 2: Convert to fraction form
   1,151.37/1,588.94 = 647.32/x
3. Step 3: Cross multiply
   1,151.37x = 1,588.94 × 647.32
4. Step 4: Simplify right side
   1,151.37x = 1,028,545.43
5. Step 5: Solve for x
   x = 1,028,545.43/1,151.37
6. Step 6: Final answer
   x = 893.32