Finding the Fourth Proportional to 10,146.47, 15,216.05 and 3,903.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.47 : 15,216.05 = 3,903.34 : x
2. Step 2: Convert to fraction form
   10,146.47/15,216.05 = 3,903.34/x
3. Step 3: Cross multiply
   10,146.47x = 15,216.05 × 3,903.34
4. Step 4: Simplify right side
   10,146.47x = 59,393,416.86
5. Step 5: Solve for x
   x = 59,393,416.86/10,146.47
6. Step 6: Final answer
   x = 5,853.61