Finding the Fourth Proportional to 12,558.52, 18,841.89 and 5,166.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,558.52 : 18,841.89 = 5,166.46 : x
2. Step 2: Convert to fraction form
   12,558.52/18,841.89 = 5,166.46/x
3. Step 3: Cross multiply
   12,558.52x = 18,841.89 × 5,166.46
4. Step 4: Simplify right side
   12,558.52x = 97,345,871.01
5. Step 5: Solve for x
   x = 97,345,871.01/12,558.52
6. Step 6: Final answer
   x = 7,751.38