Finding the Fourth Proportional to 86,158.58, 129,243.98 and 22,978.34

Step by Step Solution

1. Step 1: Write the proportion equation
   86,158.58 : 129,243.98 = 22,978.34 : x
2. Step 2: Convert to fraction form
   86,158.58/129,243.98 = 22,978.34/x
3. Step 3: Cross multiply
   86,158.58x = 129,243.98 × 22,978.34
4. Step 4: Simplify right side
   86,158.58x = 2,969,812,115.39
5. Step 5: Solve for x
   x = 2,969,812,115.39/86,158.58
6. Step 6: Final answer
   x = 34,469.14