Finding the Fourth Proportional to 1,402.33, 1,934.18 and 904.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.33 : 1,934.18 = 904.72 : x
2. Step 2: Convert to fraction form
   1,402.33/1,934.18 = 904.72/x
3. Step 3: Cross multiply
   1,402.33x = 1,934.18 × 904.72
4. Step 4: Simplify right side
   1,402.33x = 1,749,881.66
5. Step 5: Solve for x
   x = 1,749,881.66/1,402.33
6. Step 6: Final answer
   x = 1,247.84