Finding the Fourth Proportional to 8,946.02, 12,345.72 and 4,913

Step by Step Solution

1. Step 1: Write the proportion equation
   8,946.02 : 12,345.72 = 4,913 : x
2. Step 2: Convert to fraction form
   8,946.02/12,345.72 = 4,913/x
3. Step 3: Cross multiply
   8,946.02x = 12,345.72 × 4,913
4. Step 4: Simplify right side
   8,946.02x = 60,654,522.36
5. Step 5: Solve for x
   x = 60,654,522.36/8,946.02
6. Step 6: Final answer
   x = 6,780.06