Finding the Fourth Proportional to 8,761.86, 12,091.35 and 4,783.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,761.86 : 12,091.35 = 4,783.02 : x
2. Step 2: Convert to fraction form
   8,761.86/12,091.35 = 4,783.02/x
3. Step 3: Cross multiply
   8,761.86x = 12,091.35 × 4,783.02
4. Step 4: Simplify right side
   8,761.86x = 57,833,168.88
5. Step 5: Solve for x
   x = 57,833,168.88/8,761.86
6. Step 6: Final answer
   x = 6,600.56