Finding the Fourth Proportional to 67,147.31, 100,699.47 and 22,158.61

Step by Step Solution

1. Step 1: Write the proportion equation
   67,147.31 : 100,699.47 = 22,158.61 : x
2. Step 2: Convert to fraction form
   67,147.31/100,699.47 = 22,158.61/x
3. Step 3: Cross multiply
   67,147.31x = 100,699.47 × 22,158.61
4. Step 4: Simplify right side
   67,147.31x = 2,231,360,031.19
5. Step 5: Solve for x
   x = 2,231,360,031.19/67,147.31
6. Step 6: Final answer
   x = 33,230.82