Finding the Fourth Proportional to 150,813, 208,121.94 and 83,745

Step by Step Solution

1. Step 1: Write the proportion equation
   150,813 : 208,121.94 = 83,745 : x
2. Step 2: Convert to fraction form
   150,813/208,121.94 = 83,745/x
3. Step 3: Cross multiply
   150,813x = 208,121.94 × 83,745
4. Step 4: Simplify right side
   150,813x = 17,429,171,865.30
5. Step 5: Solve for x
   x = 17,429,171,865.30/150,813
6. Step 6: Final answer
   x = 115,568.10