Finding the Fourth Proportional to 11,031.54, 16,538.00 and 4,786.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,031.54 : 16,538.00 = 4,786.86 : x
2. Step 2: Convert to fraction form
   11,031.54/16,538.00 = 4,786.86/x
3. Step 3: Cross multiply
   11,031.54x = 16,538.00 × 4,786.86
4. Step 4: Simplify right side
   11,031.54x = 79,165,066.75
5. Step 5: Solve for x
   x = 79,165,066.75/11,031.54
6. Step 6: Final answer
   x = 7,176.25