Finding the Fourth Proportional to 12,075.86, 18,117.72 and 5,836.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,075.86 : 18,117.72 = 5,836.58 : x
2. Step 2: Convert to fraction form
   12,075.86/18,117.72 = 5,836.58/x
3. Step 3: Cross multiply
   12,075.86x = 18,117.72 × 5,836.58
4. Step 4: Simplify right side
   12,075.86x = 105,745,522.20
5. Step 5: Solve for x
   x = 105,745,522.20/12,075.86
6. Step 6: Final answer
   x = 8,756.77