Finding the Fourth Proportional to 7,830.37, 10,741.55 and 7,406.68

Step by Step Solution

1. Step 1: Write the proportion equation
   7,830.37 : 10,741.55 = 7,406.68 : x
2. Step 2: Convert to fraction form
   7,830.37/10,741.55 = 7,406.68/x
3. Step 3: Cross multiply
   7,830.37x = 10,741.55 × 7,406.68
4. Step 4: Simplify right side
   7,830.37x = 79,559,223.55
5. Step 5: Solve for x
   x = 79,559,223.55/7,830.37
6. Step 6: Final answer
   x = 10,160.34