Finding the Fourth Proportional to 1,093.46, 1,638.42 and 537.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.46 : 1,638.42 = 537.52 : x
2. Step 2: Convert to fraction form
   1,093.46/1,638.42 = 537.52/x
3. Step 3: Cross multiply
   1,093.46x = 1,638.42 × 537.52
4. Step 4: Simplify right side
   1,093.46x = 880,683.52
5. Step 5: Solve for x
   x = 880,683.52/1,093.46
6. Step 6: Final answer
   x = 805.41