Finding the Fourth Proportional to 10,747.07, 16,118.78 and 4,902.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,747.07 : 16,118.78 = 4,902.31 : x
2. Step 2: Convert to fraction form
   10,747.07/16,118.78 = 4,902.31/x
3. Step 3: Cross multiply
   10,747.07x = 16,118.78 × 4,902.31
4. Step 4: Simplify right side
   10,747.07x = 79,019,256.38
5. Step 5: Solve for x
   x = 79,019,256.38/10,747.07
6. Step 6: Final answer
   x = 7,352.63