Finding the Fourth Proportional to 1,871.02, 2,582.06 and 1,153.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.02 : 2,582.06 = 1,153.36 : x
2. Step 2: Convert to fraction form
   1,871.02/2,582.06 = 1,153.36/x
3. Step 3: Cross multiply
   1,871.02x = 2,582.06 × 1,153.36
4. Step 4: Simplify right side
   1,871.02x = 2,978,041.15
5. Step 5: Solve for x
   x = 2,978,041.15/1,871.02
6. Step 6: Final answer
   x = 1,591.67