Finding the Fourth Proportional to 2,041.55, 3,061.82 and 870.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.55 : 3,061.82 = 870.98 : x
2. Step 2: Convert to fraction form
   2,041.55/3,061.82 = 870.98/x
3. Step 3: Cross multiply
   2,041.55x = 3,061.82 × 870.98
4. Step 4: Simplify right side
   2,041.55x = 2,666,783.98
5. Step 5: Solve for x
   x = 2,666,783.98/2,041.55
6. Step 6: Final answer
   x = 1,306.25