Finding the Fourth Proportional to 2,011.50, 3,018.42 and 841.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.50 : 3,018.42 = 841.32 : x
2. Step 2: Convert to fraction form
   2,011.50/3,018.42 = 841.32/x
3. Step 3: Cross multiply
   2,011.50x = 3,018.42 × 841.32
4. Step 4: Simplify right side
   2,011.50x = 2,539,457.11
5. Step 5: Solve for x
   x = 2,539,457.11/2,011.50
6. Step 6: Final answer
   x = 1,262.47