Finding the Fourth Proportional to 10,953.91, 16,438.78 and 4,381.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,953.91 : 16,438.78 = 4,381.93 : x
2. Step 2: Convert to fraction form
   10,953.91/16,438.78 = 4,381.93/x
3. Step 3: Cross multiply
   10,953.91x = 16,438.78 × 4,381.93
4. Step 4: Simplify right side
   10,953.91x = 72,033,501.05
5. Step 5: Solve for x
   x = 72,033,501.05/10,953.91
6. Step 6: Final answer
   x = 6,576.06