Finding the Fourth Proportional to 69,802.78, 96,363.51 and 53,851.42

Step by Step Solution

1. Step 1: Write the proportion equation
   69,802.78 : 96,363.51 = 53,851.42 : x
2. Step 2: Convert to fraction form
   69,802.78/96,363.51 = 53,851.42/x
3. Step 3: Cross multiply
   69,802.78x = 96,363.51 × 53,851.42
4. Step 4: Simplify right side
   69,802.78x = 5,189,311,849.68
5. Step 5: Solve for x
   x = 5,189,311,849.68/69,802.78
6. Step 6: Final answer
   x = 74,342.48