Finding the Fourth Proportional to 107,976.12, 148,941.72 and 69,675.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,976.12 : 148,941.72 = 69,675.72 : x
2. Step 2: Convert to fraction form
   107,976.12/148,941.72 = 69,675.72/x
3. Step 3: Cross multiply
   107,976.12x = 148,941.72 × 69,675.72
4. Step 4: Simplify right side
   107,976.12x = 10,377,621,579.04
5. Step 5: Solve for x
   x = 10,377,621,579.04/107,976.12
6. Step 6: Final answer
   x = 96,110.34