Finding the Fourth Proportional to 9,164.10, 13,760.55 and 5,276.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.10 : 13,760.55 = 5,276.10 : x
2. Step 2: Convert to fraction form
   9,164.10/13,760.55 = 5,276.10/x
3. Step 3: Cross multiply
   9,164.10x = 13,760.55 × 5,276.10
4. Step 4: Simplify right side
   9,164.10x = 72,602,037.86
5. Step 5: Solve for x
   x = 72,602,037.86/9,164.10
6. Step 6: Final answer
   x = 7,922.44