Finding the Fourth Proportional to 65,178.50, 89,946.33 and 35,370.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,178.50 : 89,946.33 = 35,370.50 : x
2. Step 2: Convert to fraction form
   65,178.50/89,946.33 = 35,370.50/x
3. Step 3: Cross multiply
   65,178.50x = 89,946.33 × 35,370.50
4. Step 4: Simplify right side
   65,178.50x = 3,181,446,665.27
5. Step 5: Solve for x
   x = 3,181,446,665.27/65,178.50
6. Step 6: Final answer
   x = 48,811.29