Finding the Fourth Proportional to 86,150.15, 129,172.31 and 33,498.26

Step by Step Solution

1. Step 1: Write the proportion equation
   86,150.15 : 129,172.31 = 33,498.26 : x
2. Step 2: Convert to fraction form
   86,150.15/129,172.31 = 33,498.26/x
3. Step 3: Cross multiply
   86,150.15x = 129,172.31 × 33,498.26
4. Step 4: Simplify right side
   86,150.15x = 4,327,047,457.69
5. Step 5: Solve for x
   x = 4,327,047,457.69/86,150.15
6. Step 6: Final answer
   x = 50,226.81