Finding the Fourth Proportional to 65,056.14, 89,772.46 and 39,559.01

Step by Step Solution

1. Step 1: Write the proportion equation
   65,056.14 : 89,772.46 = 39,559.01 : x
2. Step 2: Convert to fraction form
   65,056.14/89,772.46 = 39,559.01/x
3. Step 3: Cross multiply
   65,056.14x = 89,772.46 × 39,559.01
4. Step 4: Simplify right side
   65,056.14x = 3,551,309,095.10
5. Step 5: Solve for x
   x = 3,551,309,095.10/65,056.14
6. Step 6: Final answer
   x = 54,588.38