Finding the Fourth Proportional to 1,401.52, 1,933.69 and 904.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.52 : 1,933.69 = 904.45 : x
2. Step 2: Convert to fraction form
   1,401.52/1,933.69 = 904.45/x
3. Step 3: Cross multiply
   1,401.52x = 1,933.69 × 904.45
4. Step 4: Simplify right side
   1,401.52x = 1,748,927.05
5. Step 5: Solve for x
   x = 1,748,927.05/1,401.52
6. Step 6: Final answer
   x = 1,247.88