Finding the Fourth Proportional to 61,018.50, 84,146.37 and 47,584.84

Step by Step Solution

1. Step 1: Write the proportion equation
   61,018.50 : 84,146.37 = 47,584.84 : x
2. Step 2: Convert to fraction form
   61,018.50/84,146.37 = 47,584.84/x
3. Step 3: Cross multiply
   61,018.50x = 84,146.37 × 47,584.84
4. Step 4: Simplify right side
   61,018.50x = 4,004,091,553.03
5. Step 5: Solve for x
   x = 4,004,091,553.03/61,018.50
6. Step 6: Final answer
   x = 65,620.94