Finding the Fourth Proportional to 12,100.74, 18,153.23 and 5,527.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.74 : 18,153.23 = 5,527.59 : x
2. Step 2: Convert to fraction form
   12,100.74/18,153.23 = 5,527.59/x
3. Step 3: Cross multiply
   12,100.74x = 18,153.23 × 5,527.59
4. Step 4: Simplify right side
   12,100.74x = 100,343,584.98
5. Step 5: Solve for x
   x = 100,343,584.98/12,100.74
6. Step 6: Final answer
   x = 8,292.35