Finding the Fourth Proportional to 64,972.50, 89,662.06 and 35,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,972.50 : 89,662.06 = 35,164.50 : x
2. Step 2: Convert to fraction form
   64,972.50/89,662.06 = 35,164.50/x
3. Step 3: Cross multiply
   64,972.50x = 89,662.06 × 35,164.50
4. Step 4: Simplify right side
   64,972.50x = 3,152,921,508.87
5. Step 5: Solve for x
   x = 3,152,921,508.87/64,972.50
6. Step 6: Final answer
   x = 48,527.02