Finding the Fourth Proportional to 5,915.59, 8,877.78 and 2,796.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,915.59 : 8,877.78 = 2,796.55 : x
2. Step 2: Convert to fraction form
   5,915.59/8,877.78 = 2,796.55/x
3. Step 3: Cross multiply
   5,915.59x = 8,877.78 × 2,796.55
4. Step 4: Simplify right side
   5,915.59x = 24,827,166.76
5. Step 5: Solve for x
   x = 24,827,166.76/5,915.59
6. Step 6: Final answer
   x = 4,196.91