Finding the Fourth Proportional to 86,168.58, 129,311.25 and 30,008.37

Step by Step Solution

1. Step 1: Write the proportion equation
   86,168.58 : 129,311.25 = 30,008.37 : x
2. Step 2: Convert to fraction form
   86,168.58/129,311.25 = 30,008.37/x
3. Step 3: Cross multiply
   86,168.58x = 129,311.25 × 30,008.37
4. Step 4: Simplify right side
   86,168.58x = 3,880,419,835.16
5. Step 5: Solve for x
   x = 3,880,419,835.16/86,168.58
6. Step 6: Final answer
   x = 45,032.89