Finding the Fourth Proportional to 10,834.86, 16,242.56 and 3,907.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,834.86 : 16,242.56 = 3,907.74 : x
2. Step 2: Convert to fraction form
   10,834.86/16,242.56 = 3,907.74/x
3. Step 3: Cross multiply
   10,834.86x = 16,242.56 × 3,907.74
4. Step 4: Simplify right side
   10,834.86x = 63,471,701.41
5. Step 5: Solve for x
   x = 63,471,701.41/10,834.86
6. Step 6: Final answer
   x = 5,858.10