Finding the Fourth Proportional to 7,077.83, 10,618.01 and 2,915.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,077.83 : 10,618.01 = 2,915.56 : x
2. Step 2: Convert to fraction form
   7,077.83/10,618.01 = 2,915.56/x
3. Step 3: Cross multiply
   7,077.83x = 10,618.01 × 2,915.56
4. Step 4: Simplify right side
   7,077.83x = 30,957,425.98
5. Step 5: Solve for x
   x = 30,957,425.98/7,077.83
6. Step 6: Final answer
   x = 4,373.86