Finding the Fourth Proportional to 108,167.78, 149,174.58 and 90,078.41

Step by Step Solution

1. Step 1: Write the proportion equation
   108,167.78 : 149,174.58 = 90,078.41 : x
2. Step 2: Convert to fraction form
   108,167.78/149,174.58 = 90,078.41/x
3. Step 3: Cross multiply
   108,167.78x = 149,174.58 × 90,078.41
4. Step 4: Simplify right side
   108,167.78x = 13,437,408,978.82
5. Step 5: Solve for x
   x = 13,437,408,978.82/108,167.78
6. Step 6: Final answer
   x = 124,227.46