Finding the Fourth Proportional to 10,002.40, 14,990.61 and 4,072.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002.40 : 14,990.61 = 4,072.37 : x
2. Step 2: Convert to fraction form
   10,002.40/14,990.61 = 4,072.37/x
3. Step 3: Cross multiply
   10,002.40x = 14,990.61 × 4,072.37
4. Step 4: Simplify right side
   10,002.40x = 61,047,310.45
5. Step 5: Solve for x
   x = 61,047,310.45/10,002.40
6. Step 6: Final answer
   x = 6,103.27