Finding the Fourth Proportional to 6,665.58, 10,000.42 and 4,817.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,665.58 : 10,000.42 = 4,817.34 : x
2. Step 2: Convert to fraction form
   6,665.58/10,000.42 = 4,817.34/x
3. Step 3: Cross multiply
   6,665.58x = 10,000.42 × 4,817.34
4. Step 4: Simplify right side
   6,665.58x = 48,175,423.28
5. Step 5: Solve for x
   x = 48,175,423.28/6,665.58
6. Step 6: Final answer
   x = 7,227.49