Finding the Fourth Proportional to 1,493.94, 2,061.31 and 904.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.94 : 2,061.31 = 904.47 : x
2. Step 2: Convert to fraction form
   1,493.94/2,061.31 = 904.47/x
3. Step 3: Cross multiply
   1,493.94x = 2,061.31 × 904.47
4. Step 4: Simplify right side
   1,493.94x = 1,864,393.06
5. Step 5: Solve for x
   x = 1,864,393.06/1,493.94
6. Step 6: Final answer
   x = 1,247.97