Finding the Fourth Proportional to 1,439.47, 1,985.86 and 941.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439.47 : 1,985.86 = 941.25 : x
2. Step 2: Convert to fraction form
   1,439.47/1,985.86 = 941.25/x
3. Step 3: Cross multiply
   1,439.47x = 1,985.86 × 941.25
4. Step 4: Simplify right side
   1,439.47x = 1,869,190.73
5. Step 5: Solve for x
   x = 1,869,190.73/1,439.47
6. Step 6: Final answer
   x = 1,298.53