Finding the Fourth Proportional to 1,164.88, 1,747.32 and 616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164.88 : 1,747.32 = 616.72 : x
2. Step 2: Convert to fraction form
   1,164.88/1,747.32 = 616.72/x
3. Step 3: Cross multiply
   1,164.88x = 1,747.32 × 616.72
4. Step 4: Simplify right side
   1,164.88x = 1,077,607.19
5. Step 5: Solve for x
   x = 1,077,607.19/1,164.88
6. Step 6: Final answer
   x = 925.08