Finding the Fourth Proportional to 2,111.34, 3,166.83 and 572.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.34 : 3,166.83 = 572.34 : x
2. Step 2: Convert to fraction form
   2,111.34/3,166.83 = 572.34/x
3. Step 3: Cross multiply
   2,111.34x = 3,166.83 × 572.34
4. Step 4: Simplify right side
   2,111.34x = 1,812,503.48
5. Step 5: Solve for x
   x = 1,812,503.48/2,111.34
6. Step 6: Final answer
   x = 858.46