Finding the Fourth Proportional to 10,134.68, 13,985.82 and 5,658.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,134.68 : 13,985.82 = 5,658.39 : x
2. Step 2: Convert to fraction form
   10,134.68/13,985.82 = 5,658.39/x
3. Step 3: Cross multiply
   10,134.68x = 13,985.82 × 5,658.39
4. Step 4: Simplify right side
   10,134.68x = 79,137,224.03
5. Step 5: Solve for x
   x = 79,137,224.03/10,134.68
6. Step 6: Final answer
   x = 7,808.56