Finding the Fourth Proportional to 10,798.10, 16,156.74 and 7,685.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,798.10 : 16,156.74 = 7,685.27 : x
2. Step 2: Convert to fraction form
   10,798.10/16,156.74 = 7,685.27/x
3. Step 3: Cross multiply
   10,798.10x = 16,156.74 × 7,685.27
4. Step 4: Simplify right side
   10,798.10x = 124,168,909.22
5. Step 5: Solve for x
   x = 124,168,909.22/10,798.10
6. Step 6: Final answer
   x = 11,499.14