Finding the Fourth Proportional to 8,695.32, 11,999.61 and 5,109.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,695.32 : 11,999.61 = 5,109.32 : x
2. Step 2: Convert to fraction form
   8,695.32/11,999.61 = 5,109.32/x
3. Step 3: Cross multiply
   8,695.32x = 11,999.61 × 5,109.32
4. Step 4: Simplify right side
   8,695.32x = 61,309,787.37
5. Step 5: Solve for x
   x = 61,309,787.37/8,695.32
6. Step 6: Final answer
   x = 7,050.89