Finding the Fourth Proportional to 108,869.67, 150,240.69 and 60,471.90

Step by Step Solution

1. Step 1: Write the proportion equation
   108,869.67 : 150,240.69 = 60,471.90 : x
2. Step 2: Convert to fraction form
   108,869.67/150,240.69 = 60,471.90/x
3. Step 3: Cross multiply
   108,869.67x = 150,240.69 × 60,471.90
4. Step 4: Simplify right side
   108,869.67x = 9,085,339,981.61
5. Step 5: Solve for x
   x = 9,085,339,981.61/108,869.67
6. Step 6: Final answer
   x = 83,451.52