Finding the Fourth Proportional to 69.95, 104.72 and 52.00

Step by Step Solution

1. Step 1: Write the proportion equation
   69.95 : 104.72 = 52.00 : x
2. Step 2: Convert to fraction form
   69.95/104.72 = 52.00/x
3. Step 3: Cross multiply
   69.95x = 104.72 × 52.00
4. Step 4: Simplify right side
   69.95x = 5,444.92
5. Step 5: Solve for x
   x = 5,444.92/69.95
6. Step 6: Final answer
   x = 77.84