Finding the Fourth Proportional to 10,001.37, 14,989.76 and 3,419.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,001.37 : 14,989.76 = 3,419.88 : x
2. Step 2: Convert to fraction form
   10,001.37/14,989.76 = 3,419.88/x
3. Step 3: Cross multiply
   10,001.37x = 14,989.76 × 3,419.88
4. Step 4: Simplify right side
   10,001.37x = 51,263,180.43
5. Step 5: Solve for x
   x = 51,263,180.43/10,001.37
6. Step 6: Final answer
   x = 5,125.62