Finding the Fourth Proportional to 81,595.72, 122,155.83 and 60,628.70

Step by Step Solution

1. Step 1: Write the proportion equation
   81,595.72 : 122,155.83 = 60,628.70 : x
2. Step 2: Convert to fraction form
   81,595.72/122,155.83 = 60,628.70/x
3. Step 3: Cross multiply
   81,595.72x = 122,155.83 × 60,628.70
4. Step 4: Simplify right side
   81,595.72x = 7,406,149,475.71
5. Step 5: Solve for x
   x = 7,406,149,475.71/81,595.72
6. Step 6: Final answer
   x = 90,766.40