Finding the Fourth Proportional to 9,928.34, 14,818.22 and 9,764.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,928.34 : 14,818.22 = 9,764.32 : x
2. Step 2: Convert to fraction form
   9,928.34/14,818.22 = 9,764.32/x
3. Step 3: Cross multiply
   9,928.34x = 14,818.22 × 9,764.32
4. Step 4: Simplify right side
   9,928.34x = 144,689,841.91
5. Step 5: Solve for x
   x = 144,689,841.91/9,928.34
6. Step 6: Final answer
   x = 14,573.42