Finding the Fourth Proportional to 1,902.79, 2,848.65 and 1,170.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,902.79 : 2,848.65 = 1,170.10 : x
2. Step 2: Convert to fraction form
   1,902.79/2,848.65 = 1,170.10/x
3. Step 3: Cross multiply
   1,902.79x = 2,848.65 × 1,170.10
4. Step 4: Simplify right side
   1,902.79x = 3,333,205.37
5. Step 5: Solve for x
   x = 3,333,205.37/1,902.79
6. Step 6: Final answer
   x = 1,751.75