Finding the Fourth Proportional to 108,054.56, 149,049 and 71,757.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,054.56 : 149,049 = 71,757.56 : x
2. Step 2: Convert to fraction form
   108,054.56/149,049 = 71,757.56/x
3. Step 3: Cross multiply
   108,054.56x = 149,049 × 71,757.56
4. Step 4: Simplify right side
   108,054.56x = 10,695,392,560.44
5. Step 5: Solve for x
   x = 10,695,392,560.44/108,054.56
6. Step 6: Final answer
   x = 98,981.41