Finding the Fourth Proportional to 117,805.79, 162,568.29 and 64,089.44

Step by Step Solution

1. Step 1: Write the proportion equation
   117,805.79 : 162,568.29 = 64,089.44 : x
2. Step 2: Convert to fraction form
   117,805.79/162,568.29 = 64,089.44/x
3. Step 3: Cross multiply
   117,805.79x = 162,568.29 × 64,089.44
4. Step 4: Simplify right side
   117,805.79x = 10,418,910,667.86
5. Step 5: Solve for x
   x = 10,418,910,667.86/117,805.79
6. Step 6: Final answer
   x = 88,441.41