Finding the Fourth Proportional to 11,929.50, 17,900.76 and 5,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,929.50 : 17,900.76 = 5,773.50 : x
2. Step 2: Convert to fraction form
   11,929.50/17,900.76 = 5,773.50/x
3. Step 3: Cross multiply
   11,929.50x = 17,900.76 × 5,773.50
4. Step 4: Simplify right side
   11,929.50x = 103,350,037.86
5. Step 5: Solve for x
   x = 103,350,037.86/11,929.50
6. Step 6: Final answer
   x = 8,663.40