Finding the Fourth Proportional to 13,094.90, 18,079.98 and 12,258.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,094.90 : 18,079.98 = 12,258.37 : x
2. Step 2: Convert to fraction form
   13,094.90/18,079.98 = 12,258.37/x
3. Step 3: Cross multiply
   13,094.90x = 18,079.98 × 12,258.37
4. Step 4: Simplify right side
   13,094.90x = 221,631,061.06
5. Step 5: Solve for x
   x = 221,631,061.06/13,094.90
6. Step 6: Final answer
   x = 16,924.99