Finding the Fourth Proportional to 1,484.48, 2,047.38 and 1,222.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.48 : 2,047.38 = 1,222.04 : x
2. Step 2: Convert to fraction form
   1,484.48/2,047.38 = 1,222.04/x
3. Step 3: Cross multiply
   1,484.48x = 2,047.38 × 1,222.04
4. Step 4: Simplify right side
   1,484.48x = 2,501,980.26
5. Step 5: Solve for x
   x = 2,501,980.26/1,484.48
6. Step 6: Final answer
   x = 1,685.43