Finding the Fourth Proportional to 9,158.00, 12,638.00 and 4,966.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,158.00 : 12,638.00 = 4,966.25 : x
2. Step 2: Convert to fraction form
   9,158.00/12,638.00 = 4,966.25/x
3. Step 3: Cross multiply
   9,158.00x = 12,638.00 × 4,966.25
4. Step 4: Simplify right side
   9,158.00x = 62,763,379.48
5. Step 5: Solve for x
   x = 62,763,379.48/9,158.00
6. Step 6: Final answer
   x = 6,853.40