Finding the Fourth Proportional to 10,210.74, 15,312.33 and 3,635.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,210.74 : 15,312.33 = 3,635.16 : x
2. Step 2: Convert to fraction form
   10,210.74/15,312.33 = 3,635.16/x
3. Step 3: Cross multiply
   10,210.74x = 15,312.33 × 3,635.16
4. Step 4: Simplify right side
   10,210.74x = 55,662,769.52
5. Step 5: Solve for x
   x = 55,662,769.52/10,210.74
6. Step 6: Final answer
   x = 5,451.39