Finding the Fourth Proportional to 108,548.88, 149,870.56 and 67,775.09

Step by Step Solution

1. Step 1: Write the proportion equation
   108,548.88 : 149,870.56 = 67,775.09 : x
2. Step 2: Convert to fraction form
   108,548.88/149,870.56 = 67,775.09/x
3. Step 3: Cross multiply
   108,548.88x = 149,870.56 × 67,775.09
4. Step 4: Simplify right side
   108,548.88x = 10,157,490,897.59
5. Step 5: Solve for x
   x = 10,157,490,897.59/108,548.88
6. Step 6: Final answer
   x = 93,575.27