Finding the Fourth Proportional to 9,939.34, 14,910.83 and 4,092.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.34 : 14,910.83 = 4,092.76 : x
2. Step 2: Convert to fraction form
   9,939.34/14,910.83 = 4,092.76/x
3. Step 3: Cross multiply
   9,939.34x = 14,910.83 × 4,092.76
4. Step 4: Simplify right side
   9,939.34x = 61,026,353.57
5. Step 5: Solve for x
   x = 61,026,353.57/9,939.34
6. Step 6: Final answer
   x = 6,139.88