Finding the Fourth Proportional to 9,938.30, 14,901.78 and 4,087.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.30 : 14,901.78 = 4,087.94 : x
2. Step 2: Convert to fraction form
   9,938.30/14,901.78 = 4,087.94/x
3. Step 3: Cross multiply
   9,938.30x = 14,901.78 × 4,087.94
4. Step 4: Simplify right side
   9,938.30x = 60,917,582.53
5. Step 5: Solve for x
   x = 60,917,582.53/9,938.30
6. Step 6: Final answer
   x = 6,129.58