Finding the Fourth Proportional to 123,784.74, 185,647.23 and 57,160.82

Step by Step Solution

1. Step 1: Write the proportion equation
   123,784.74 : 185,647.23 = 57,160.82 : x
2. Step 2: Convert to fraction form
   123,784.74/185,647.23 = 57,160.82/x
3. Step 3: Cross multiply
   123,784.74x = 185,647.23 × 57,160.82
4. Step 4: Simplify right side
   123,784.74x = 10,611,748,361.65
5. Step 5: Solve for x
   x = 10,611,748,361.65/123,784.74
6. Step 6: Final answer
   x = 85,727.44