Finding the Fourth Proportional to 68,069.08, 102,109.02 and 21,321.82

Step by Step Solution

1. Step 1: Write the proportion equation
   68,069.08 : 102,109.02 = 21,321.82 : x
2. Step 2: Convert to fraction form
   68,069.08/102,109.02 = 21,321.82/x
3. Step 3: Cross multiply
   68,069.08x = 102,109.02 × 21,321.82
4. Step 4: Simplify right side
   68,069.08x = 2,177,150,144.82
5. Step 5: Solve for x
   x = 2,177,150,144.82/68,069.08
6. Step 6: Final answer
   x = 31,984.42