Finding the Fourth Proportional to 8,763.52, 12,100.38 and 5,783.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,763.52 : 12,100.38 = 5,783.60 : x
2. Step 2: Convert to fraction form
   8,763.52/12,100.38 = 5,783.60/x
3. Step 3: Cross multiply
   8,763.52x = 12,100.38 × 5,783.60
4. Step 4: Simplify right side
   8,763.52x = 69,983,757.77
5. Step 5: Solve for x
   x = 69,983,757.77/8,763.52
6. Step 6: Final answer
   x = 7,985.80