Finding the Fourth Proportional to 82,843.30, 124,142.07 and 60,847.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,843.30 : 124,142.07 = 60,847.78 : x
2. Step 2: Convert to fraction form
   82,843.30/124,142.07 = 60,847.78/x
3. Step 3: Cross multiply
   82,843.30x = 124,142.07 × 60,847.78
4. Step 4: Simplify right side
   82,843.30x = 7,553,769,364.10
5. Step 5: Solve for x
   x = 7,553,769,364.10/82,843.30
6. Step 6: Final answer
   x = 91,181.42