Finding the Fourth Proportional to 108,934.10, 149,981.52 and 91,896.01

Step by Step Solution

1. Step 1: Write the proportion equation
   108,934.10 : 149,981.52 = 91,896.01 : x
2. Step 2: Convert to fraction form
   108,934.10/149,981.52 = 91,896.01/x
3. Step 3: Cross multiply
   108,934.10x = 149,981.52 × 91,896.01
4. Step 4: Simplify right side
   108,934.10x = 13,782,703,231.39
5. Step 5: Solve for x
   x = 13,782,703,231.39/108,934.10
6. Step 6: Final answer
   x = 126,523.31