Finding the Fourth Proportional to 10,804.76, 16,110.91 and 10,784.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,804.76 : 16,110.91 = 10,784.10 : x
2. Step 2: Convert to fraction form
   10,804.76/16,110.91 = 10,784.10/x
3. Step 3: Cross multiply
   10,804.76x = 16,110.91 × 10,784.10
4. Step 4: Simplify right side
   10,804.76x = 173,741,664.53
5. Step 5: Solve for x
   x = 173,741,664.53/10,804.76
6. Step 6: Final answer
   x = 16,080.10