Finding the Fourth Proportional to 10,777.52, 16,168.34 and 3,380.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,777.52 : 16,168.34 = 3,380.00 : x
2. Step 2: Convert to fraction form
   10,777.52/16,168.34 = 3,380.00/x
3. Step 3: Cross multiply
   10,777.52x = 16,168.34 × 3,380.00
4. Step 4: Simplify right side
   10,777.52x = 54,648,916.81
5. Step 5: Solve for x
   x = 54,648,916.81/10,777.52
6. Step 6: Final answer
   x = 5,070.64