Finding the Fourth Proportional to 56.32, 77.69 and 34.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56.32 : 77.69 = 34.50 : x
2. Step 2: Convert to fraction form
   56.32/77.69 = 34.50/x
3. Step 3: Cross multiply
   56.32x = 77.69 × 34.50
4. Step 4: Simplify right side
   56.32x = 2,679.83
5. Step 5: Solve for x
   x = 2,679.83/56.32
6. Step 6: Final answer
   x = 47.59