Finding the Fourth Proportional to 10,635.20, 15,946.42 and 4,061.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,635.20 : 15,946.42 = 4,061.88 : x
2. Step 2: Convert to fraction form
   10,635.20/15,946.42 = 4,061.88/x
3. Step 3: Cross multiply
   10,635.20x = 15,946.42 × 4,061.88
4. Step 4: Simplify right side
   10,635.20x = 64,772,444.47
5. Step 5: Solve for x
   x = 64,772,444.47/10,635.20
6. Step 6: Final answer
   x = 6,090.38