Finding the Fourth Proportional to 109,060.79, 150,429.87 and 70,751.86

Step by Step Solution

1. Step 1: Write the proportion equation
   109,060.79 : 150,429.87 = 70,751.86 : x
2. Step 2: Convert to fraction form
   109,060.79/150,429.87 = 70,751.86/x
3. Step 3: Cross multiply
   109,060.79x = 150,429.87 × 70,751.86
4. Step 4: Simplify right side
   109,060.79x = 10,643,192,725.98
5. Step 5: Solve for x
   x = 10,643,192,725.98/109,060.79
6. Step 6: Final answer
   x = 97,589.55