Finding the Fourth Proportional to 9,681.74, 14,516.64 and 4,131.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681.74 : 14,516.64 = 4,131.98 : x
2. Step 2: Convert to fraction form
   9,681.74/14,516.64 = 4,131.98/x
3. Step 3: Cross multiply
   9,681.74x = 14,516.64 × 4,131.98
4. Step 4: Simplify right side
   9,681.74x = 59,982,466.15
5. Step 5: Solve for x
   x = 59,982,466.15/9,681.74
6. Step 6: Final answer
   x = 6,195.42