Finding the Fourth Proportional to 9,955.52, 14,919.15 and 4,688.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,955.52 : 14,919.15 = 4,688.54 : x
2. Step 2: Convert to fraction form
   9,955.52/14,919.15 = 4,688.54/x
3. Step 3: Cross multiply
   9,955.52x = 14,919.15 × 4,688.54
4. Step 4: Simplify right side
   9,955.52x = 69,949,031.54
5. Step 5: Solve for x
   x = 69,949,031.54/9,955.52
6. Step 6: Final answer
   x = 7,026.16