Finding the Fourth Proportional to 1,124.37, 1,685.51 and 575.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.37 : 1,685.51 = 575.34 : x
2. Step 2: Convert to fraction form
   1,124.37/1,685.51 = 575.34/x
3. Step 3: Cross multiply
   1,124.37x = 1,685.51 × 575.34
4. Step 4: Simplify right side
   1,124.37x = 969,741.32
5. Step 5: Solve for x
   x = 969,741.32/1,124.37
6. Step 6: Final answer
   x = 862.48