Finding the Fourth Proportional to 10,384.32, 15,566.88 and 4,142.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,384.32 : 15,566.88 = 4,142.81 : x
2. Step 2: Convert to fraction form
   10,384.32/15,566.88 = 4,142.81/x
3. Step 3: Cross multiply
   10,384.32x = 15,566.88 × 4,142.81
4. Step 4: Simplify right side
   10,384.32x = 64,490,680.59
5. Step 5: Solve for x
   x = 64,490,680.59/10,384.32
6. Step 6: Final answer
   x = 6,210.39