Finding the Fourth Proportional to 123,942.84, 185,709.96 and 71,396.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,942.84 : 185,709.96 = 71,396.52 : x
2. Step 2: Convert to fraction form
   123,942.84/185,709.96 = 71,396.52/x
3. Step 3: Cross multiply
   123,942.84x = 185,709.96 × 71,396.52
4. Step 4: Simplify right side
   123,942.84x = 13,259,044,873.34
5. Step 5: Solve for x
   x = 13,259,044,873.34/123,942.84
6. Step 6: Final answer
   x = 106,977.09