Finding the Fourth Proportional to 11,064.12, 16,590.42 and 5,219.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,064.12 : 16,590.42 = 5,219.16 : x
2. Step 2: Convert to fraction form
   11,064.12/16,590.42 = 5,219.16/x
3. Step 3: Cross multiply
   11,064.12x = 16,590.42 × 5,219.16
4. Step 4: Simplify right side
   11,064.12x = 86,588,056.45
5. Step 5: Solve for x
   x = 86,588,056.45/11,064.12
6. Step 6: Final answer
   x = 7,826.02