Finding the Fourth Proportional to 6,555.32, 9,109.18 and 6,487.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,555.32 : 9,109.18 = 6,487.89 : x
2. Step 2: Convert to fraction form
   6,555.32/9,109.18 = 6,487.89/x
3. Step 3: Cross multiply
   6,555.32x = 9,109.18 × 6,487.89
4. Step 4: Simplify right side
   6,555.32x = 59,099,357.83
5. Step 5: Solve for x
   x = 59,099,357.83/6,555.32
6. Step 6: Final answer
   x = 9,015.48