Finding the Fourth Proportional to 10,456.86, 15,684.12 and 3,061.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,456.86 : 15,684.12 = 3,061.38 : x
2. Step 2: Convert to fraction form
   10,456.86/15,684.12 = 3,061.38/x
3. Step 3: Cross multiply
   10,456.86x = 15,684.12 × 3,061.38
4. Step 4: Simplify right side
   10,456.86x = 48,015,051.29
5. Step 5: Solve for x
   x = 48,015,051.29/10,456.86
6. Step 6: Final answer
   x = 4,591.73