Finding the Fourth Proportional to 23,319.84, 32,178.72 and 13,886.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,319.84 : 32,178.72 = 13,886.60 : x
2. Step 2: Convert to fraction form
   23,319.84/32,178.72 = 13,886.60/x
3. Step 3: Cross multiply
   23,319.84x = 32,178.72 × 13,886.60
4. Step 4: Simplify right side
   23,319.84x = 446,853,013.15
5. Step 5: Solve for x
   x = 446,853,013.15/23,319.84
6. Step 6: Final answer
   x = 19,161.92