Finding the Fourth Proportional to 10,513.62, 15,773.52 and 3,118.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,513.62 : 15,773.52 = 3,118.26 : x
2. Step 2: Convert to fraction form
   10,513.62/15,773.52 = 3,118.26/x
3. Step 3: Cross multiply
   10,513.62x = 15,773.52 × 3,118.26
4. Step 4: Simplify right side
   10,513.62x = 49,185,936.48
5. Step 5: Solve for x
   x = 49,185,936.48/10,513.62
6. Step 6: Final answer
   x = 4,678.31