Finding the Fourth Proportional to 1,402.08, 1,935.33 and 904.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.08 : 1,935.33 = 904.34 : x
2. Step 2: Convert to fraction form
   1,402.08/1,935.33 = 904.34/x
3. Step 3: Cross multiply
   1,402.08x = 1,935.33 × 904.34
4. Step 4: Simplify right side
   1,402.08x = 1,750,196.15
5. Step 5: Solve for x
   x = 1,750,196.15/1,402.08
6. Step 6: Final answer
   x = 1,248.28