Finding the Fourth Proportional to 123,845.41, 170,959 and 83,613.67

Step by Step Solution

1. Step 1: Write the proportion equation
   123,845.41 : 170,959 = 83,613.67 : x
2. Step 2: Convert to fraction form
   123,845.41/170,959 = 83,613.67/x
3. Step 3: Cross multiply
   123,845.41x = 170,959 × 83,613.67
4. Step 4: Simplify right side
   123,845.41x = 14,294,509,409.53
5. Step 5: Solve for x
   x = 14,294,509,409.53/123,845.41
6. Step 6: Final answer
   x = 115,422.20