Finding the Fourth Proportional to 1,769.36, 2,441.32 and 1,070.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.36 : 2,441.32 = 1,070.72 : x
2. Step 2: Convert to fraction form
   1,769.36/2,441.32 = 1,070.72/x
3. Step 3: Cross multiply
   1,769.36x = 2,441.32 × 1,070.72
4. Step 4: Simplify right side
   1,769.36x = 2,613,970.15
5. Step 5: Solve for x
   x = 2,613,970.15/1,769.36
6. Step 6: Final answer
   x = 1,477.35