Finding the Fourth Proportional to 11,066.90, 16,603.31 and 4,827.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,066.90 : 16,603.31 = 4,827.42 : x
2. Step 2: Convert to fraction form
   11,066.90/16,603.31 = 4,827.42/x
3. Step 3: Cross multiply
   11,066.90x = 16,603.31 × 4,827.42
4. Step 4: Simplify right side
   11,066.90x = 80,151,150.76
5. Step 5: Solve for x
   x = 80,151,150.76/11,066.90
6. Step 6: Final answer
   x = 7,242.42