Finding the Fourth Proportional to 1,669.48, 2,503.94 and 848.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.48 : 2,503.94 = 848.12 : x
2. Step 2: Convert to fraction form
   1,669.48/2,503.94 = 848.12/x
3. Step 3: Cross multiply
   1,669.48x = 2,503.94 × 848.12
4. Step 4: Simplify right side
   1,669.48x = 2,123,641.59
5. Step 5: Solve for x
   x = 2,123,641.59/1,669.48
6. Step 6: Final answer
   x = 1,272.04