Finding the Fourth Proportional to 12,076.58, 18,100.26 and 5,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,076.58 : 18,100.26 = 5,136.50 : x
2. Step 2: Convert to fraction form
   12,076.58/18,100.26 = 5,136.50/x
3. Step 3: Cross multiply
   12,076.58x = 18,100.26 × 5,136.50
4. Step 4: Simplify right side
   12,076.58x = 92,971,985.49
5. Step 5: Solve for x
   x = 92,971,985.49/12,076.58
6. Step 6: Final answer
   x = 7,698.54