Finding the Fourth Proportional to 123.01, 184.43 and 57.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123.01 : 184.43 = 57.98 : x
2. Step 2: Convert to fraction form
   123.01/184.43 = 57.98/x
3. Step 3: Cross multiply
   123.01x = 184.43 × 57.98
4. Step 4: Simplify right side
   123.01x = 10,693.25
5. Step 5: Solve for x
   x = 10,693.25/123.01
6. Step 6: Final answer
   x = 86.93