Finding the Fourth Proportional to 2,910.72, 4,368.78 and 1,179.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.72 : 4,368.78 = 1,179.48 : x
2. Step 2: Convert to fraction form
   2,910.72/4,368.78 = 1,179.48/x
3. Step 3: Cross multiply
   2,910.72x = 4,368.78 × 1,179.48
4. Step 4: Simplify right side
   2,910.72x = 5,152,888.63
5. Step 5: Solve for x
   x = 5,152,888.63/2,910.72
6. Step 6: Final answer
   x = 1,770.31