Finding the Fourth Proportional to 7,476.72, 10,317.38 and 4,490.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,476.72 : 10,317.38 = 4,490.78 : x
2. Step 2: Convert to fraction form
   7,476.72/10,317.38 = 4,490.78/x
3. Step 3: Cross multiply
   7,476.72x = 10,317.38 × 4,490.78
4. Step 4: Simplify right side
   7,476.72x = 46,333,083.76
5. Step 5: Solve for x
   x = 46,333,083.76/7,476.72
6. Step 6: Final answer
   x = 6,196.98