Finding the Fourth Proportional to 8,068.23, 12,100.13 and 5,721.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,068.23 : 12,100.13 = 5,721.30 : x
2. Step 2: Convert to fraction form
   8,068.23/12,100.13 = 5,721.30/x
3. Step 3: Cross multiply
   8,068.23x = 12,100.13 × 5,721.30
4. Step 4: Simplify right side
   8,068.23x = 69,228,445.16
5. Step 5: Solve for x
   x = 69,228,445.16/8,068.23
6. Step 6: Final answer
   x = 8,580.38