Finding the Fourth Proportional to 1,535.02, 2,118.53 and 937.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.02 : 2,118.53 = 937.39 : x
2. Step 2: Convert to fraction form
   1,535.02/2,118.53 = 937.39/x
3. Step 3: Cross multiply
   1,535.02x = 2,118.53 × 937.39
4. Step 4: Simplify right side
   1,535.02x = 1,985,882.37
5. Step 5: Solve for x
   x = 1,985,882.37/1,535.02
6. Step 6: Final answer
   x = 1,293.72