Finding the Fourth Proportional to 9,124.84, 13,684.56 and 3,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,124.84 : 13,684.56 = 3,929.50 : x
2. Step 2: Convert to fraction form
   9,124.84/13,684.56 = 3,929.50/x
3. Step 3: Cross multiply
   9,124.84x = 13,684.56 × 3,929.50
4. Step 4: Simplify right side
   9,124.84x = 53,773,478.52
5. Step 5: Solve for x
   x = 53,773,478.52/9,124.84
6. Step 6: Final answer
   x = 5,893.09