Finding the Fourth Proportional to 150,817, 208,127.46 and 83,749

Step by Step Solution

1. Step 1: Write the proportion equation
   150,817 : 208,127.46 = 83,749 : x
2. Step 2: Convert to fraction form
   150,817/208,127.46 = 83,749/x
3. Step 3: Cross multiply
   150,817x = 208,127.46 × 83,749
4. Step 4: Simplify right side
   150,817x = 17,430,466,647.54
5. Step 5: Solve for x
   x = 17,430,466,647.54/150,817
6. Step 6: Final answer
   x = 115,573.62