Finding the Fourth Proportional to 123,793.44, 185,440.38 and 57,141

Step by Step Solution

1. Step 1: Write the proportion equation
   123,793.44 : 185,440.38 = 57,141 : x
2. Step 2: Convert to fraction form
   123,793.44/185,440.38 = 57,141/x
3. Step 3: Cross multiply
   123,793.44x = 185,440.38 × 57,141
4. Step 4: Simplify right side
   123,793.44x = 10,596,248,753.58
5. Step 5: Solve for x
   x = 10,596,248,753.58/123,793.44
6. Step 6: Final answer
   x = 85,596.21