Finding the Fourth Proportional to 61,147.72, 84,269.59 and 47,697.67

Step by Step Solution

1. Step 1: Write the proportion equation
   61,147.72 : 84,269.59 = 47,697.67 : x
2. Step 2: Convert to fraction form
   61,147.72/84,269.59 = 47,697.67/x
3. Step 3: Cross multiply
   61,147.72x = 84,269.59 × 47,697.67
4. Step 4: Simplify right side
   61,147.72x = 4,019,462,764.94
5. Step 5: Solve for x
   x = 4,019,462,764.94/61,147.72
6. Step 6: Final answer
   x = 65,733.65