Finding the Fourth Proportional to 69,578.82, 96,068.70 and 42,757.29

Step by Step Solution

1. Step 1: Write the proportion equation
   69,578.82 : 96,068.70 = 42,757.29 : x
2. Step 2: Convert to fraction form
   69,578.82/96,068.70 = 42,757.29/x
3. Step 3: Cross multiply
   69,578.82x = 96,068.70 × 42,757.29
4. Step 4: Simplify right side
   69,578.82x = 4,107,637,265.82
5. Step 5: Solve for x
   x = 4,107,637,265.82/69,578.82
6. Step 6: Final answer
   x = 59,035.74