Finding the Fourth Proportional to 61,106.72, 84,318.72 and 34,247.12

Step by Step Solution

1. Step 1: Write the proportion equation
   61,106.72 : 84,318.72 = 34,247.12 : x
2. Step 2: Convert to fraction form
   61,106.72/84,318.72 = 34,247.12/x
3. Step 3: Cross multiply
   61,106.72x = 84,318.72 × 34,247.12
4. Step 4: Simplify right side
   61,106.72x = 2,887,673,322.09
5. Step 5: Solve for x
   x = 2,887,673,322.09/61,106.72
6. Step 6: Final answer
   x = 47,256.23