Finding the Fourth Proportional to 10,065.06, 15,099.75 and 3,490.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.06 : 15,099.75 = 3,490.43 : x
2. Step 2: Convert to fraction form
   10,065.06/15,099.75 = 3,490.43/x
3. Step 3: Cross multiply
   10,065.06x = 15,099.75 × 3,490.43
4. Step 4: Simplify right side
   10,065.06x = 52,704,544.89
5. Step 5: Solve for x
   x = 52,704,544.89/10,065.06
6. Step 6: Final answer
   x = 5,236.39