Finding the Fourth Proportional to 6,210.72, 9,300.81 and 4,012.77

Step by Step Solution

1. Step 1: Write the proportion equation
   6,210.72 : 9,300.81 = 4,012.77 : x
2. Step 2: Convert to fraction form
   6,210.72/9,300.81 = 4,012.77/x
3. Step 3: Cross multiply
   6,210.72x = 9,300.81 × 4,012.77
4. Step 4: Simplify right side
   6,210.72x = 37,322,011.34
5. Step 5: Solve for x
   x = 37,322,011.34/6,210.72
6. Step 6: Final answer
   x = 6,009.29