Finding the Fourth Proportional to 10,061.54, 13,884.88 and 5,585.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.54 : 13,884.88 = 5,585.28 : x
2. Step 2: Convert to fraction form
   10,061.54/13,884.88 = 5,585.28/x
3. Step 3: Cross multiply
   10,061.54x = 13,884.88 × 5,585.28
4. Step 4: Simplify right side
   10,061.54x = 77,550,942.57
5. Step 5: Solve for x
   x = 77,550,942.57/10,061.54
6. Step 6: Final answer
   x = 7,707.66