Finding the Fourth Proportional to 10,553.08, 15,830.37 and 3,156.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,553.08 : 15,830.37 = 3,156.94 : x
2. Step 2: Convert to fraction form
   10,553.08/15,830.37 = 3,156.94/x
3. Step 3: Cross multiply
   10,553.08x = 15,830.37 × 3,156.94
4. Step 4: Simplify right side
   10,553.08x = 49,975,528.27
5. Step 5: Solve for x
   x = 49,975,528.27/10,553.08
6. Step 6: Final answer
   x = 4,735.63