Finding the Fourth Proportional to 8,624.34, 12,942.18 and 4,731.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,624.34 : 12,942.18 = 4,731.48 : x
2. Step 2: Convert to fraction form
   8,624.34/12,942.18 = 4,731.48/x
3. Step 3: Cross multiply
   8,624.34x = 12,942.18 × 4,731.48
4. Step 4: Simplify right side
   8,624.34x = 61,235,665.83
5. Step 5: Solve for x
   x = 61,235,665.83/8,624.34
6. Step 6: Final answer
   x = 7,100.33