Finding the Fourth Proportional to 10,341.98, 15,515.70 and 5,410.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,341.98 : 15,515.70 = 5,410.30 : x
2. Step 2: Convert to fraction form
   10,341.98/15,515.70 = 5,410.30/x
3. Step 3: Cross multiply
   10,341.98x = 15,515.70 × 5,410.30
4. Step 4: Simplify right side
   10,341.98x = 83,944,591.71
5. Step 5: Solve for x
   x = 83,944,591.71/10,341.98
6. Step 6: Final answer
   x = 8,116.88