Finding the Fourth Proportional to 6,109.58, 9,109.90 and 5,630.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.58 : 9,109.90 = 5,630.88 : x
2. Step 2: Convert to fraction form
   6,109.58/9,109.90 = 5,630.88/x
3. Step 3: Cross multiply
   6,109.58x = 9,109.90 × 5,630.88
4. Step 4: Simplify right side
   6,109.58x = 51,296,753.71
5. Step 5: Solve for x
   x = 51,296,753.71/6,109.58
6. Step 6: Final answer
   x = 8,396.12