Finding the Fourth Proportional to 10,669.32, 16,004.39 and 2,878.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,669.32 : 16,004.39 = 2,878.34 : x
2. Step 2: Convert to fraction form
   10,669.32/16,004.39 = 2,878.34/x
3. Step 3: Cross multiply
   10,669.32x = 16,004.39 × 2,878.34
4. Step 4: Simplify right side
   10,669.32x = 46,065,981.50
5. Step 5: Solve for x
   x = 46,065,981.50/10,669.32
6. Step 6: Final answer
   x = 4,317.61