Finding the Fourth Proportional to 108,493.79, 149,686.83 and 70,282.63

Step by Step Solution

1. Step 1: Write the proportion equation
   108,493.79 : 149,686.83 = 70,282.63 : x
2. Step 2: Convert to fraction form
   108,493.79/149,686.83 = 70,282.63/x
3. Step 3: Cross multiply
   108,493.79x = 149,686.83 × 70,282.63
4. Step 4: Simplify right side
   108,493.79x = 10,520,384,264.47
5. Step 5: Solve for x
   x = 10,520,384,264.47/108,493.79
6. Step 6: Final answer
   x = 96,967.62