Finding the Fourth Proportional to 60,155.72, 82,824.68 and 52,980.56

Step by Step Solution

1. Step 1: Write the proportion equation
   60,155.72 : 82,824.68 = 52,980.56 : x
2. Step 2: Convert to fraction form
   60,155.72/82,824.68 = 52,980.56/x
3. Step 3: Cross multiply
   60,155.72x = 82,824.68 × 52,980.56
4. Step 4: Simplify right side
   60,155.72x = 4,388,097,928.22
5. Step 5: Solve for x
   x = 4,388,097,928.22/60,155.72
6. Step 6: Final answer
   x = 72,945.65