Finding the Fourth Proportional to 1,404.24, 1,938.08 and 925.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.24 : 1,938.08 = 925.53 : x
2. Step 2: Convert to fraction form
   1,404.24/1,938.08 = 925.53/x
3. Step 3: Cross multiply
   1,404.24x = 1,938.08 × 925.53
4. Step 4: Simplify right side
   1,404.24x = 1,793,741.02
5. Step 5: Solve for x
   x = 1,793,741.02/1,404.24
6. Step 6: Final answer
   x = 1,277.38