Finding the Fourth Proportional to 10,542.42, 15,805.35 and 3,967.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,542.42 : 15,805.35 = 3,967.83 : x
2. Step 2: Convert to fraction form
   10,542.42/15,805.35 = 3,967.83/x
3. Step 3: Cross multiply
   10,542.42x = 15,805.35 × 3,967.83
4. Step 4: Simplify right side
   10,542.42x = 62,712,941.89
5. Step 5: Solve for x
   x = 62,712,941.89/10,542.42
6. Step 6: Final answer
   x = 5,948.63