Finding the Fourth Proportional to 70,045.05, 96,661.71 and 39,830.38

Step by Step Solution

1. Step 1: Write the proportion equation
   70,045.05 : 96,661.71 = 39,830.38 : x
2. Step 2: Convert to fraction form
   70,045.05/96,661.71 = 39,830.38/x
3. Step 3: Cross multiply
   70,045.05x = 96,661.71 × 39,830.38
4. Step 4: Simplify right side
   70,045.05x = 3,850,072,399.10
5. Step 5: Solve for x
   x = 3,850,072,399.10/70,045.05
6. Step 6: Final answer
   x = 54,965.66