Finding the Fourth Proportional to 7,835.37, 10,817.70 and 5,186.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,835.37 : 10,817.70 = 5,186.49 : x
2. Step 2: Convert to fraction form
   7,835.37/10,817.70 = 5,186.49/x
3. Step 3: Cross multiply
   7,835.37x = 10,817.70 × 5,186.49
4. Step 4: Simplify right side
   7,835.37x = 56,105,892.87
5. Step 5: Solve for x
   x = 56,105,892.87/7,835.37
6. Step 6: Final answer
   x = 7,160.59