Finding the Fourth Proportional to 23,986.04, 33,100.86 and 13,376.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,986.04 : 33,100.86 = 13,376.12 : x
2. Step 2: Convert to fraction form
   23,986.04/33,100.86 = 13,376.12/x
3. Step 3: Cross multiply
   23,986.04x = 33,100.86 × 13,376.12
4. Step 4: Simplify right side
   23,986.04x = 442,761,075.46
5. Step 5: Solve for x
   x = 442,761,075.46/23,986.04
6. Step 6: Final answer
   x = 18,459.12