Finding the Fourth Proportional to 13,899.84, 19,180.56 and 8,233.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,899.84 : 19,180.56 = 8,233.59 : x
2. Step 2: Convert to fraction form
   13,899.84/19,180.56 = 8,233.59/x
3. Step 3: Cross multiply
   13,899.84x = 19,180.56 × 8,233.59
4. Step 4: Simplify right side
   13,899.84x = 157,924,867.01
5. Step 5: Solve for x
   x = 157,924,867.01/13,899.84
6. Step 6: Final answer
   x = 11,361.63