Finding the Fourth Proportional to 10,513.74, 15,767.16 and 3,848.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,513.74 : 15,767.16 = 3,848.72 : x
2. Step 2: Convert to fraction form
   10,513.74/15,767.16 = 3,848.72/x
3. Step 3: Cross multiply
   10,513.74x = 15,767.16 × 3,848.72
4. Step 4: Simplify right side
   10,513.74x = 60,683,384.04
5. Step 5: Solve for x
   x = 60,683,384.04/10,513.74
6. Step 6: Final answer
   x = 5,771.82