Finding the Fourth Proportional to 7,897.86, 10,898.91 and 5,103.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,897.86 : 10,898.91 = 5,103.42 : x
2. Step 2: Convert to fraction form
   7,897.86/10,898.91 = 5,103.42/x
3. Step 3: Cross multiply
   7,897.86x = 10,898.91 × 5,103.42
4. Step 4: Simplify right side
   7,897.86x = 55,621,715.27
5. Step 5: Solve for x
   x = 55,621,715.27/7,897.86
6. Step 6: Final answer
   x = 7,042.63