Finding the Fourth Proportional to 8,698.31, 12,003.69 and 4,719.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,698.31 : 12,003.69 = 4,719.45 : x
2. Step 2: Convert to fraction form
   8,698.31/12,003.69 = 4,719.45/x
3. Step 3: Cross multiply
   8,698.31x = 12,003.69 × 4,719.45
4. Step 4: Simplify right side
   8,698.31x = 56,650,814.77
5. Step 5: Solve for x
   x = 56,650,814.77/8,698.31
6. Step 6: Final answer
   x = 6,512.85