Finding the Fourth Proportional to 159,105.37, 238,724.14 and 64,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,105.37 : 238,724.14 = 64,402.50 : x
2. Step 2: Convert to fraction form
   159,105.37/238,724.14 = 64,402.50/x
3. Step 3: Cross multiply
   159,105.37x = 238,724.14 × 64,402.50
4. Step 4: Simplify right side
   159,105.37x = 15,374,431,426.35
5. Step 5: Solve for x
   x = 15,374,431,426.35/159,105.37
6. Step 6: Final answer
   x = 96,630.50