Finding the Fourth Proportional to 108,354.69, 149,529.47 and 70,628.94

Step by Step Solution

1. Step 1: Write the proportion equation
   108,354.69 : 149,529.47 = 70,628.94 : x
2. Step 2: Convert to fraction form
   108,354.69/149,529.47 = 70,628.94/x
3. Step 3: Cross multiply
   108,354.69x = 149,529.47 × 70,628.94
4. Step 4: Simplify right side
   108,354.69x = 10,561,107,964.86
5. Step 5: Solve for x
   x = 10,561,107,964.86/108,354.69
6. Step 6: Final answer
   x = 97,467.94