Finding the Fourth Proportional to 102.50, 153.69 and 34.01

Step by Step Solution

1. Step 1: Write the proportion equation
   102.50 : 153.69 = 34.01 : x
2. Step 2: Convert to fraction form
   102.50/153.69 = 34.01/x
3. Step 3: Cross multiply
   102.50x = 153.69 × 34.01
4. Step 4: Simplify right side
   102.50x = 5,227.00
5. Step 5: Solve for x
   x = 5,227.00/102.50
6. Step 6: Final answer
   x = 51.00