Finding the Fourth Proportional to 60,042.31, 82,869.81 and 39,588.39

Step by Step Solution

1. Step 1: Write the proportion equation
   60,042.31 : 82,869.81 = 39,588.39 : x
2. Step 2: Convert to fraction form
   60,042.31/82,869.81 = 39,588.39/x
3. Step 3: Cross multiply
   60,042.31x = 82,869.81 × 39,588.39
4. Step 4: Simplify right side
   60,042.31x = 3,280,682,357.51
5. Step 5: Solve for x
   x = 3,280,682,357.51/60,042.31
6. Step 6: Final answer
   x = 54,639.51