Finding the Fourth Proportional to 109,578.02, 164,389.38 and 49,577.68

Step by Step Solution

1. Step 1: Write the proportion equation
   109,578.02 : 164,389.38 = 49,577.68 : x
2. Step 2: Convert to fraction form
   109,578.02/164,389.38 = 49,577.68/x
3. Step 3: Cross multiply
   109,578.02x = 164,389.38 × 49,577.68
4. Step 4: Simplify right side
   109,578.02x = 8,150,044,077.04
5. Step 5: Solve for x
   x = 8,150,044,077.04/109,578.02
6. Step 6: Final answer
   x = 74,376.63