Finding the Fourth Proportional to 7,877.34, 10,870.74 and 4,340.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,877.34 : 10,870.74 = 4,340.56 : x
2. Step 2: Convert to fraction form
   7,877.34/10,870.74 = 4,340.56/x
3. Step 3: Cross multiply
   7,877.34x = 10,870.74 × 4,340.56
4. Step 4: Simplify right side
   7,877.34x = 47,185,099.21
5. Step 5: Solve for x
   x = 47,185,099.21/7,877.34
6. Step 6: Final answer
   x = 5,989.98