Finding the Fourth Proportional to 107,072.69, 160,433.82 and 64,824.73

Step by Step Solution

1. Step 1: Write the proportion equation
   107,072.69 : 160,433.82 = 64,824.73 : x
2. Step 2: Convert to fraction form
   107,072.69/160,433.82 = 64,824.73/x
3. Step 3: Cross multiply
   107,072.69x = 160,433.82 × 64,824.73
4. Step 4: Simplify right side
   107,072.69x = 10,400,078,663.28
5. Step 5: Solve for x
   x = 10,400,078,663.28/107,072.69
6. Step 6: Final answer
   x = 97,131.02