Finding the Fourth Proportional to 10,061.79, 15,114.55 and 6,781.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.79 : 15,114.55 = 6,781.29 : x
2. Step 2: Convert to fraction form
   10,061.79/15,114.55 = 6,781.29/x
3. Step 3: Cross multiply
   10,061.79x = 15,114.55 × 6,781.29
4. Step 4: Simplify right side
   10,061.79x = 102,496,146.77
5. Step 5: Solve for x
   x = 102,496,146.77/10,061.79
6. Step 6: Final answer
   x = 10,186.67