Finding the Fourth Proportional to 116,658.78, 160,650.20 and 101,338.34

Step by Step Solution

1. Step 1: Write the proportion equation
   116,658.78 : 160,650.20 = 101,338.34 : x
2. Step 2: Convert to fraction form
   116,658.78/160,650.20 = 101,338.34/x
3. Step 3: Cross multiply
   116,658.78x = 160,650.20 × 101,338.34
4. Step 4: Simplify right side
   116,658.78x = 16,280,024,038.76
5. Step 5: Solve for x
   x = 16,280,024,038.76/116,658.78
6. Step 6: Final answer
   x = 139,552.50