Finding the Fourth Proportional to 73,664.89, 101,630.89 and 48,185.78

Step by Step Solution

1. Step 1: Write the proportion equation
   73,664.89 : 101,630.89 = 48,185.78 : x
2. Step 2: Convert to fraction form
   73,664.89/101,630.89 = 48,185.78/x
3. Step 3: Cross multiply
   73,664.89x = 101,630.89 × 48,185.78
4. Step 4: Simplify right side
   73,664.89x = 4,897,163,465.82
5. Step 5: Solve for x
   x = 4,897,163,465.82/73,664.89
6. Step 6: Final answer
   x = 66,478.94