Finding the Fourth Proportional to 109,669.50, 164,505.15 and 26,563.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,669.50 : 164,505.15 = 26,563.50 : x
2. Step 2: Convert to fraction form
   109,669.50/164,505.15 = 26,563.50/x
3. Step 3: Cross multiply
   109,669.50x = 164,505.15 × 26,563.50
4. Step 4: Simplify right side
   109,669.50x = 4,369,832,552.03
5. Step 5: Solve for x
   x = 4,369,832,552.03/109,669.50
6. Step 6: Final answer
   x = 39,845.47