Finding the Fourth Proportional to 39,853.31, 59,783.46 and 10,271.10

Step by Step Solution

1. Step 1: Write the proportion equation
   39,853.31 : 59,783.46 = 10,271.10 : x
2. Step 2: Convert to fraction form
   39,853.31/59,783.46 = 10,271.10/x
3. Step 3: Cross multiply
   39,853.31x = 59,783.46 × 10,271.10
4. Step 4: Simplify right side
   39,853.31x = 614,041,896.01
5. Step 5: Solve for x
   x = 614,041,896.01/39,853.31
6. Step 6: Final answer
   x = 15,407.55