Finding the Fourth Proportional to 115,796.53, 159,787.92 and 64,806.22

Step by Step Solution

1. Step 1: Write the proportion equation
   115,796.53 : 159,787.92 = 64,806.22 : x
2. Step 2: Convert to fraction form
   115,796.53/159,787.92 = 64,806.22/x
3. Step 3: Cross multiply
   115,796.53x = 159,787.92 × 64,806.22
4. Step 4: Simplify right side
   115,796.53x = 10,355,251,096.86
5. Step 5: Solve for x
   x = 10,355,251,096.86/115,796.53
6. Step 6: Final answer
   x = 89,426.26