Finding the Fourth Proportional to 13,116.32, 19,674.12 and 3,255.40

Step by Step Solution

1. Step 1: Write the proportion equation
   13,116.32 : 19,674.12 = 3,255.40 : x
2. Step 2: Convert to fraction form
   13,116.32/19,674.12 = 3,255.40/x
3. Step 3: Cross multiply
   13,116.32x = 19,674.12 × 3,255.40
4. Step 4: Simplify right side
   13,116.32x = 64,047,130.25
5. Step 5: Solve for x
   x = 64,047,130.25/13,116.32
6. Step 6: Final answer
   x = 4,883.01