Finding the Fourth Proportional to 8,953.58, 12,354.98 and 5,176.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,953.58 : 12,354.98 = 5,176.15 : x
2. Step 2: Convert to fraction form
   8,953.58/12,354.98 = 5,176.15/x
3. Step 3: Cross multiply
   8,953.58x = 12,354.98 × 5,176.15
4. Step 4: Simplify right side
   8,953.58x = 63,951,172.96
5. Step 5: Solve for x
   x = 63,951,172.96/8,953.58
6. Step 6: Final answer
   x = 7,142.52