Finding the Fourth Proportional to 61,715.39, 85,168.89 and 34,861.86

Step by Step Solution

1. Step 1: Write the proportion equation
   61,715.39 : 85,168.89 = 34,861.86 : x
2. Step 2: Convert to fraction form
   61,715.39/85,168.89 = 34,861.86/x
3. Step 3: Cross multiply
   61,715.39x = 85,168.89 × 34,861.86
4. Step 4: Simplify right side
   61,715.39x = 2,969,145,919.54
5. Step 5: Solve for x
   x = 2,969,145,919.54/61,715.39
6. Step 6: Final answer
   x = 48,110.30