Finding the Fourth Proportional to 3,915.69, 5,873.56 and 994.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.69 : 5,873.56 = 994.00 : x
2. Step 2: Convert to fraction form
   3,915.69/5,873.56 = 994.00/x
3. Step 3: Cross multiply
   3,915.69x = 5,873.56 × 994.00
4. Step 4: Simplify right side
   3,915.69x = 5,838,301.56
5. Step 5: Solve for x
   x = 5,838,301.56/3,915.69
6. Step 6: Final answer
   x = 1,491.00