Finding the Fourth Proportional to 55,217.56, 76,109.04 and 39,064

Step by Step Solution

1. Step 1: Write the proportion equation
   55,217.56 : 76,109.04 = 39,064 : x
2. Step 2: Convert to fraction form
   55,217.56/76,109.04 = 39,064/x
3. Step 3: Cross multiply
   55,217.56x = 76,109.04 × 39,064
4. Step 4: Simplify right side
   55,217.56x = 2,973,123,538.56
5. Step 5: Solve for x
   x = 2,973,123,538.56/55,217.56
6. Step 6: Final answer
   x = 53,843.81