Finding the Fourth Proportional to 1,574.62, 2,172.98 and 876.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574.62 : 2,172.98 = 876.00 : x
2. Step 2: Convert to fraction form
   1,574.62/2,172.98 = 876.00/x
3. Step 3: Cross multiply
   1,574.62x = 2,172.98 × 876.00
4. Step 4: Simplify right side
   1,574.62x = 1,903,522.33
5. Step 5: Solve for x
   x = 1,903,522.33/1,574.62
6. Step 6: Final answer
   x = 1,208.88