Finding the Fourth Proportional to 1,611.86, 2,224.02 and 948.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,611.86 : 2,224.02 = 948.24 : x
2. Step 2: Convert to fraction form
   1,611.86/2,224.02 = 948.24/x
3. Step 3: Cross multiply
   1,611.86x = 2,224.02 × 948.24
4. Step 4: Simplify right side
   1,611.86x = 2,108,904.72
5. Step 5: Solve for x
   x = 2,108,904.72/1,611.86
6. Step 6: Final answer
   x = 1,308.37