Finding the Fourth Proportional to 123,381.50, 185,172.48 and 64,234.08

Step by Step Solution

1. Step 1: Write the proportion equation
   123,381.50 : 185,172.48 = 64,234.08 : x
2. Step 2: Convert to fraction form
   123,381.50/185,172.48 = 64,234.08/x
3. Step 3: Cross multiply
   123,381.50x = 185,172.48 × 64,234.08
4. Step 4: Simplify right side
   123,381.50x = 11,894,383,894.12
5. Step 5: Solve for x
   x = 11,894,383,894.12/123,381.50
6. Step 6: Final answer
   x = 96,403.31