Finding the Fourth Proportional to 123.34, 184.91 and 58.39

Step by Step Solution

1. Step 1: Write the proportion equation
   123.34 : 184.91 = 58.39 : x
2. Step 2: Convert to fraction form
   123.34/184.91 = 58.39/x
3. Step 3: Cross multiply
   123.34x = 184.91 × 58.39
4. Step 4: Simplify right side
   123.34x = 10,796.89
5. Step 5: Solve for x
   x = 10,796.89/123.34
6. Step 6: Final answer
   x = 87.54