Finding the Fourth Proportional to 62.15, 93.18 and 53.69

Step by Step Solution

1. Step 1: Write the proportion equation
   62.15 : 93.18 = 53.69 : x
2. Step 2: Convert to fraction form
   62.15/93.18 = 53.69/x
3. Step 3: Cross multiply
   62.15x = 93.18 × 53.69
4. Step 4: Simplify right side
   62.15x = 5,002.83
5. Step 5: Solve for x
   x = 5,002.83/62.15
6. Step 6: Final answer
   x = 80.50