Finding the Fourth Proportional to 16,211.52, 24,319.71 and 7,886.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,211.52 : 24,319.71 = 7,886.34 : x
2. Step 2: Convert to fraction form
   16,211.52/24,319.71 = 7,886.34/x
3. Step 3: Cross multiply
   16,211.52x = 24,319.71 × 7,886.34
4. Step 4: Simplify right side
   16,211.52x = 191,793,501.76
5. Step 5: Solve for x
   x = 191,793,501.76/16,211.52
6. Step 6: Final answer
   x = 11,830.69