Finding the Fourth Proportional to 123,555.42, 185,189.76 and 56,855.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,555.42 : 185,189.76 = 56,855.52 : x
2. Step 2: Convert to fraction form
   123,555.42/185,189.76 = 56,855.52/x
3. Step 3: Cross multiply
   123,555.42x = 185,189.76 × 56,855.52
4. Step 4: Simplify right side
   123,555.42x = 10,529,060,103.48
5. Step 5: Solve for x
   x = 10,529,060,103.48/123,555.42
6. Step 6: Final answer
   x = 85,217.31