Finding the Fourth Proportional to 107,150.79, 147,814.56 and 68,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,150.79 : 147,814.56 = 68,406.72 : x
2. Step 2: Convert to fraction form
   107,150.79/147,814.56 = 68,406.72/x
3. Step 3: Cross multiply
   107,150.79x = 147,814.56 × 68,406.72
4. Step 4: Simplify right side
   107,150.79x = 10,111,509,217.84
5. Step 5: Solve for x
   x = 10,111,509,217.84/107,150.79
6. Step 6: Final answer
   x = 94,367.10