Finding the Fourth Proportional to 69.30, 104.00 and 51.32

Step by Step Solution

1. Step 1: Write the proportion equation
   69.30 : 104.00 = 51.32 : x
2. Step 2: Convert to fraction form
   69.30/104.00 = 51.32/x
3. Step 3: Cross multiply
   69.30x = 104.00 × 51.32
4. Step 4: Simplify right side
   69.30x = 5,336.50
5. Step 5: Solve for x
   x = 5,336.50/69.30
6. Step 6: Final answer
   x = 77.01