Finding the Fourth Proportional to 93.01, 139.52 and 38.91

Step by Step Solution

1. Step 1: Write the proportion equation
   93.01 : 139.52 = 38.91 : x
2. Step 2: Convert to fraction form
   93.01/139.52 = 38.91/x
3. Step 3: Cross multiply
   93.01x = 139.52 × 38.91
4. Step 4: Simplify right side
   93.01x = 5,428.72
5. Step 5: Solve for x
   x = 5,428.72/93.01
6. Step 6: Final answer
   x = 58.37