Finding the Fourth Proportional to 9,959.91, 14,942.47 and 3,719.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,959.91 : 14,942.47 = 3,719.98 : x
2. Step 2: Convert to fraction form
   9,959.91/14,942.47 = 3,719.98/x
3. Step 3: Cross multiply
   9,959.91x = 14,942.47 × 3,719.98
4. Step 4: Simplify right side
   9,959.91x = 55,585,663.82
5. Step 5: Solve for x
   x = 55,585,663.82/9,959.91
6. Step 6: Final answer
   x = 5,580.94