Finding the Fourth Proportional to 123,893.83, 170,958.96 and 72,895.35

Step by Step Solution

1. Step 1: Write the proportion equation
   123,893.83 : 170,958.96 = 72,895.35 : x
2. Step 2: Convert to fraction form
   123,893.83/170,958.96 = 72,895.35/x
3. Step 3: Cross multiply
   123,893.83x = 170,958.96 × 72,895.35
4. Step 4: Simplify right side
   123,893.83x = 12,462,113,224.84
5. Step 5: Solve for x
   x = 12,462,113,224.84/123,893.83
6. Step 6: Final answer
   x = 100,587.04