Finding the Fourth Proportional to 12,061.76, 18,090.76 and 3,297.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.76 : 18,090.76 = 3,297.36 : x
2. Step 2: Convert to fraction form
   12,061.76/18,090.76 = 3,297.36/x
3. Step 3: Cross multiply
   12,061.76x = 18,090.76 × 3,297.36
4. Step 4: Simplify right side
   12,061.76x = 59,651,748.39
5. Step 5: Solve for x
   x = 59,651,748.39/12,061.76
6. Step 6: Final answer
   x = 4,945.53