Finding the Fourth Proportional to 1,467.48, 2,199.60 and 979.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,467.48 : 2,199.60 = 979.86 : x
2. Step 2: Convert to fraction form
   1,467.48/2,199.60 = 979.86/x
3. Step 3: Cross multiply
   1,467.48x = 2,199.60 × 979.86
4. Step 4: Simplify right side
   1,467.48x = 2,155,300.06
5. Step 5: Solve for x
   x = 2,155,300.06/1,467.48
6. Step 6: Final answer
   x = 1,468.71