Finding the Fourth Proportional to 10,328.04, 15,483.42 and 4,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,328.04 : 15,483.42 = 4,086.72 : x
2. Step 2: Convert to fraction form
   10,328.04/15,483.42 = 4,086.72/x
3. Step 3: Cross multiply
   10,328.04x = 15,483.42 × 4,086.72
4. Step 4: Simplify right side
   10,328.04x = 63,276,402.18
5. Step 5: Solve for x
   x = 63,276,402.18/10,328.04
6. Step 6: Final answer
   x = 6,126.66