Finding the Fourth Proportional to 10,970.15, 16,434.50 and 5,417.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,970.15 : 16,434.50 = 5,417.02 : x
2. Step 2: Convert to fraction form
   10,970.15/16,434.50 = 5,417.02/x
3. Step 3: Cross multiply
   10,970.15x = 16,434.50 × 5,417.02
4. Step 4: Simplify right side
   10,970.15x = 89,025,933.02
5. Step 5: Solve for x
   x = 89,025,933.02/10,970.15
6. Step 6: Final answer
   x = 8,115.29