Finding the Fourth Proportional to 107,975.12, 148,940.32 and 69,674.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,975.12 : 148,940.32 = 69,674.72 : x
2. Step 2: Convert to fraction form
   107,975.12/148,940.32 = 69,674.72/x
3. Step 3: Cross multiply
   107,975.12x = 148,940.32 × 69,674.72
4. Step 4: Simplify right side
   107,975.12x = 10,377,375,092.71
5. Step 5: Solve for x
   x = 10,377,375,092.71/107,975.12
6. Step 6: Final answer
   x = 96,108.95