Finding the Fourth Proportional to 10,018.77, 15,017.56 and 3,776.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.77 : 15,017.56 = 3,776.08 : x
2. Step 2: Convert to fraction form
   10,018.77/15,017.56 = 3,776.08/x
3. Step 3: Cross multiply
   10,018.77x = 15,017.56 × 3,776.08
4. Step 4: Simplify right side
   10,018.77x = 56,707,507.96
5. Step 5: Solve for x
   x = 56,707,507.96/10,018.77
6. Step 6: Final answer
   x = 5,660.13