Finding the Fourth Proportional to 12,446.32, 18,663 and 5,870.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,446.32 : 18,663 = 5,870.74 : x
2. Step 2: Convert to fraction form
   12,446.32/18,663 = 5,870.74/x
3. Step 3: Cross multiply
   12,446.32x = 18,663 × 5,870.74
4. Step 4: Simplify right side
   12,446.32x = 109,565,620.62
5. Step 5: Solve for x
   x = 109,565,620.62/12,446.32
6. Step 6: Final answer
   x = 8,803.05