Finding the Fourth Proportional to 1,153.72, 1,592.13 and 656.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153.72 : 1,592.13 = 656.37 : x
2. Step 2: Convert to fraction form
   1,153.72/1,592.13 = 656.37/x
3. Step 3: Cross multiply
   1,153.72x = 1,592.13 × 656.37
4. Step 4: Simplify right side
   1,153.72x = 1,045,026.37
5. Step 5: Solve for x
   x = 1,045,026.37/1,153.72
6. Step 6: Final answer
   x = 905.79