Finding the Fourth Proportional to 65,180.81, 89,949.53 and 35,372.81

Step by Step Solution

1. Step 1: Write the proportion equation
   65,180.81 : 89,949.53 = 35,372.81 : x
2. Step 2: Convert to fraction form
   65,180.81/89,949.53 = 35,372.81/x
3. Step 3: Cross multiply
   65,180.81x = 89,949.53 × 35,372.81
4. Step 4: Simplify right side
   65,180.81x = 3,181,767,947.59
5. Step 5: Solve for x
   x = 3,181,767,947.59/65,180.81
6. Step 6: Final answer
   x = 48,814.49