Finding the Fourth Proportional to 123,746.82, 170,641.50 and 73,436.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,746.82 : 170,641.50 = 73,436.10 : x
2. Step 2: Convert to fraction form
   123,746.82/170,641.50 = 73,436.10/x
3. Step 3: Cross multiply
   123,746.82x = 170,641.50 × 73,436.10
4. Step 4: Simplify right side
   123,746.82x = 12,531,246,258.15
5. Step 5: Solve for x
   x = 12,531,246,258.15/123,746.82
6. Step 6: Final answer
   x = 101,265.20