Finding the Fourth Proportional to 12,303.76, 18,446.69 and 4,906.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,303.76 : 18,446.69 = 4,906.00 : x
2. Step 2: Convert to fraction form
   12,303.76/18,446.69 = 4,906.00/x
3. Step 3: Cross multiply
   12,303.76x = 18,446.69 × 4,906.00
4. Step 4: Simplify right side
   12,303.76x = 90,499,368.91
5. Step 5: Solve for x
   x = 90,499,368.91/12,303.76
6. Step 6: Final answer
   x = 7,355.43