Finding the Fourth Proportional to 109,404.40, 164,016.60 and 49,436.80

Step by Step Solution

1. Step 1: Write the proportion equation
   109,404.40 : 164,016.60 = 49,436.80 : x
2. Step 2: Convert to fraction form
   109,404.40/164,016.60 = 49,436.80/x
3. Step 3: Cross multiply
   109,404.40x = 164,016.60 × 49,436.80
4. Step 4: Simplify right side
   109,404.40x = 8,108,455,850.88
5. Step 5: Solve for x
   x = 8,108,455,850.88/109,404.40
6. Step 6: Final answer
   x = 74,114.53