Finding the Fourth Proportional to 10,510.61, 15,766.34 and 3,114.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.61 : 15,766.34 = 3,114.90 : x
2. Step 2: Convert to fraction form
   10,510.61/15,766.34 = 3,114.90/x
3. Step 3: Cross multiply
   10,510.61x = 15,766.34 × 3,114.90
4. Step 4: Simplify right side
   10,510.61x = 49,110,556.89
5. Step 5: Solve for x
   x = 49,110,556.89/10,510.61
6. Step 6: Final answer
   x = 4,672.48