Finding the Fourth Proportional to 10,131.43, 15,202.59 and 4,937.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.43 : 15,202.59 = 4,937.30 : x
2. Step 2: Convert to fraction form
   10,131.43/15,202.59 = 4,937.30/x
3. Step 3: Cross multiply
   10,131.43x = 15,202.59 × 4,937.30
4. Step 4: Simplify right side
   10,131.43x = 75,059,747.61
5. Step 5: Solve for x
   x = 75,059,747.61/10,131.43
6. Step 6: Final answer
   x = 7,408.60