Finding the Fourth Proportional to 10,151.89, 15,229.47 and 3,130.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151.89 : 15,229.47 = 3,130.26 : x
2. Step 2: Convert to fraction form
   10,151.89/15,229.47 = 3,130.26/x
3. Step 3: Cross multiply
   10,151.89x = 15,229.47 × 3,130.26
4. Step 4: Simplify right side
   10,151.89x = 47,672,200.76
5. Step 5: Solve for x
   x = 47,672,200.76/10,151.89
6. Step 6: Final answer
   x = 4,695.89