Finding the Fourth Proportional to 108,155.51, 149,253.72 and 59,757.28

Step by Step Solution

1. Step 1: Write the proportion equation
   108,155.51 : 149,253.72 = 59,757.28 : x
2. Step 2: Convert to fraction form
   108,155.51/149,253.72 = 59,757.28/x
3. Step 3: Cross multiply
   108,155.51x = 149,253.72 × 59,757.28
4. Step 4: Simplify right side
   108,155.51x = 8,918,996,635.69
5. Step 5: Solve for x
   x = 8,918,996,635.69/108,155.51
6. Step 6: Final answer
   x = 82,464.56