Finding the Fourth Proportional to 61,293.50, 84,528.86 and 39,760.82

Step by Step Solution

1. Step 1: Write the proportion equation
   61,293.50 : 84,528.86 = 39,760.82 : x
2. Step 2: Convert to fraction form
   61,293.50/84,528.86 = 39,760.82/x
3. Step 3: Cross multiply
   61,293.50x = 84,528.86 × 39,760.82
4. Step 4: Simplify right side
   61,293.50x = 3,360,936,787.27
5. Step 5: Solve for x
   x = 3,360,936,787.27/61,293.50
6. Step 6: Final answer
   x = 54,833.49