Finding the Fourth Proportional to 107,077.70, 160,441.32 and 64,829.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,077.70 : 160,441.32 = 64,829.72 : x
2. Step 2: Convert to fraction form
   107,077.70/160,441.32 = 64,829.72/x
3. Step 3: Cross multiply
   107,077.70x = 160,441.32 × 64,829.72
4. Step 4: Simplify right side
   107,077.70x = 10,401,365,852.03
5. Step 5: Solve for x
   x = 10,401,365,852.03/107,077.70
6. Step 6: Final answer
   x = 97,138.49