Finding the Fourth Proportional to 9,959.43, 14,848.84 and 9,699.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,959.43 : 14,848.84 = 9,699.72 : x
2. Step 2: Convert to fraction form
   9,959.43/14,848.84 = 9,699.72/x
3. Step 3: Cross multiply
   9,959.43x = 14,848.84 × 9,699.72
4. Step 4: Simplify right side
   9,959.43x = 144,029,590.32
5. Step 5: Solve for x
   x = 144,029,590.32/9,959.43
6. Step 6: Final answer
   x = 14,461.63