Finding the Fourth Proportional to 10,281.05, 15,412.13 and 3,705.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,281.05 : 15,412.13 = 3,705.63 : x
2. Step 2: Convert to fraction form
   10,281.05/15,412.13 = 3,705.63/x
3. Step 3: Cross multiply
   10,281.05x = 15,412.13 × 3,705.63
4. Step 4: Simplify right side
   10,281.05x = 57,111,632.76
5. Step 5: Solve for x
   x = 57,111,632.76/10,281.05
6. Step 6: Final answer
   x = 5,555.04