Finding the Fourth Proportional to 12,323.59, 18,486.38 and 5,303.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,323.59 : 18,486.38 = 5,303.78 : x
2. Step 2: Convert to fraction form
   12,323.59/18,486.38 = 5,303.78/x
3. Step 3: Cross multiply
   12,323.59x = 18,486.38 × 5,303.78
4. Step 4: Simplify right side
   12,323.59x = 98,047,652.83
5. Step 5: Solve for x
   x = 98,047,652.83/12,323.59
6. Step 6: Final answer
   x = 7,956.09