Finding the Fourth Proportional to 10,140.55, 15,207.13 and 3,897.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,140.55 : 15,207.13 = 3,897.34 : x
2. Step 2: Convert to fraction form
   10,140.55/15,207.13 = 3,897.34/x
3. Step 3: Cross multiply
   10,140.55x = 15,207.13 × 3,897.34
4. Step 4: Simplify right side
   10,140.55x = 59,267,356.03
5. Step 5: Solve for x
   x = 59,267,356.03/10,140.55
6. Step 6: Final answer
   x = 5,844.59