Finding the Fourth Proportional to 9,940.10, 14,913.59 and 5,005.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.10 : 14,913.59 = 5,005.71 : x
2. Step 2: Convert to fraction form
   9,940.10/14,913.59 = 5,005.71/x
3. Step 3: Cross multiply
   9,940.10x = 14,913.59 × 5,005.71
4. Step 4: Simplify right side
   9,940.10x = 74,653,081.57
5. Step 5: Solve for x
   x = 74,653,081.57/9,940.10
6. Step 6: Final answer
   x = 7,510.30