Finding the Fourth Proportional to 8,011.58, 12,018.76 and 3,570.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,011.58 : 12,018.76 = 3,570.83 : x
2. Step 2: Convert to fraction form
   8,011.58/12,018.76 = 3,570.83/x
3. Step 3: Cross multiply
   8,011.58x = 12,018.76 × 3,570.83
4. Step 4: Simplify right side
   8,011.58x = 42,916,870.82
5. Step 5: Solve for x
   x = 42,916,870.82/8,011.58
6. Step 6: Final answer
   x = 5,356.85