Finding the Fourth Proportional to 78,562.89, 108,142.97 and 68,473.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,562.89 : 108,142.97 = 68,473.83 : x
2. Step 2: Convert to fraction form
   78,562.89/108,142.97 = 68,473.83/x
3. Step 3: Cross multiply
   78,562.89x = 108,142.97 × 68,473.83
4. Step 4: Simplify right side
   78,562.89x = 7,404,963,680.24
5. Step 5: Solve for x
   x = 7,404,963,680.24/78,562.89
6. Step 6: Final answer
   x = 94,255.24