Finding the Fourth Proportional to 9,939, 14,898.72 and 4,100.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939 : 14,898.72 = 4,100.52 : x
2. Step 2: Convert to fraction form
   9,939/14,898.72 = 4,100.52/x
3. Step 3: Cross multiply
   9,939x = 14,898.72 × 4,100.52
4. Step 4: Simplify right side
   9,939x = 61,092,499.33
5. Step 5: Solve for x
   x = 61,092,499.33/9,939
6. Step 6: Final answer
   x = 6,146.75