Finding the Fourth Proportional to 61,489.72, 84,857.52 and 37,615.96

Step by Step Solution

1. Step 1: Write the proportion equation
   61,489.72 : 84,857.52 = 37,615.96 : x
2. Step 2: Convert to fraction form
   61,489.72/84,857.52 = 37,615.96/x
3. Step 3: Cross multiply
   61,489.72x = 84,857.52 × 37,615.96
4. Step 4: Simplify right side
   61,489.72x = 3,191,997,078.02
5. Step 5: Solve for x
   x = 3,191,997,078.02/61,489.72
6. Step 6: Final answer
   x = 51,911.07