Finding the Fourth Proportional to 2,041.53, 3,061.09 and 870.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.53 : 3,061.09 = 870.94 : x
2. Step 2: Convert to fraction form
   2,041.53/3,061.09 = 870.94/x
3. Step 3: Cross multiply
   2,041.53x = 3,061.09 × 870.94
4. Step 4: Simplify right side
   2,041.53x = 2,666,013.89
5. Step 5: Solve for x
   x = 2,666,013.89/2,041.53
6. Step 6: Final answer
   x = 1,305.89