Finding the Fourth Proportional to 7,897.47, 10,900.22 and 5,385.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,897.47 : 10,900.22 = 5,385.58 : x
2. Step 2: Convert to fraction form
   7,897.47/10,900.22 = 5,385.58/x
3. Step 3: Cross multiply
   7,897.47x = 10,900.22 × 5,385.58
4. Step 4: Simplify right side
   7,897.47x = 58,703,952.65
5. Step 5: Solve for x
   x = 58,703,952.65/7,897.47
6. Step 6: Final answer
   x = 7,433.26