Finding the Fourth Proportional to 9,611.34, 14,404.86 and 5,157.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,611.34 : 14,404.86 = 5,157.96 : x
2. Step 2: Convert to fraction form
   9,611.34/14,404.86 = 5,157.96/x
3. Step 3: Cross multiply
   9,611.34x = 14,404.86 × 5,157.96
4. Step 4: Simplify right side
   9,611.34x = 74,299,691.69
5. Step 5: Solve for x
   x = 74,299,691.69/9,611.34
6. Step 6: Final answer
   x = 7,730.42