Finding the Fourth Proportional to 1,484.30, 2,222.35 and 1,117.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.30 : 2,222.35 = 1,117.98 : x
2. Step 2: Convert to fraction form
   1,484.30/2,222.35 = 1,117.98/x
3. Step 3: Cross multiply
   1,484.30x = 2,222.35 × 1,117.98
4. Step 4: Simplify right side
   1,484.30x = 2,484,540.06
5. Step 5: Solve for x
   x = 2,484,540.06/1,484.30
6. Step 6: Final answer
   x = 1,673.88