Finding the Fourth Proportional to 123.56, 185.39 and 58.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123.56 : 185.39 = 58.52 : x
2. Step 2: Convert to fraction form
   123.56/185.39 = 58.52/x
3. Step 3: Cross multiply
   123.56x = 185.39 × 58.52
4. Step 4: Simplify right side
   123.56x = 10,849.02
5. Step 5: Solve for x
   x = 10,849.02/123.56
6. Step 6: Final answer
   x = 87.80