Finding the Fourth Proportional to 7,897.10, 11,810.77 and 7,025.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,897.10 : 11,810.77 = 7,025.72 : x
2. Step 2: Convert to fraction form
   7,897.10/11,810.77 = 7,025.72/x
3. Step 3: Cross multiply
   7,897.10x = 11,810.77 × 7,025.72
4. Step 4: Simplify right side
   7,897.10x = 82,979,086.39
5. Step 5: Solve for x
   x = 82,979,086.39/7,897.10
6. Step 6: Final answer
   x = 10,507.55