Finding the Fourth Proportional to 8,769.52, 12,092.72 and 5,781.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,769.52 : 12,092.72 = 5,781.53 : x
2. Step 2: Convert to fraction form
   8,769.52/12,092.72 = 5,781.53/x
3. Step 3: Cross multiply
   8,769.52x = 12,092.72 × 5,781.53
4. Step 4: Simplify right side
   8,769.52x = 69,914,423.46
5. Step 5: Solve for x
   x = 69,914,423.46/8,769.52
6. Step 6: Final answer
   x = 7,972.43