Finding the Fourth Proportional to 2,913.88, 4,366.98 and 1,181.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,913.88 : 4,366.98 = 1,181.56 : x
2. Step 2: Convert to fraction form
   2,913.88/4,366.98 = 1,181.56/x
3. Step 3: Cross multiply
   2,913.88x = 4,366.98 × 1,181.56
4. Step 4: Simplify right side
   2,913.88x = 5,159,848.89
5. Step 5: Solve for x
   x = 5,159,848.89/2,913.88
6. Step 6: Final answer
   x = 1,770.78