Finding the Fourth Proportional to 13,674.62, 18,870.98 and 7,387.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,674.62 : 18,870.98 = 7,387.00 : x
2. Step 2: Convert to fraction form
   13,674.62/18,870.98 = 7,387.00/x
3. Step 3: Cross multiply
   13,674.62x = 18,870.98 × 7,387.00
4. Step 4: Simplify right side
   13,674.62x = 139,399,845.15
5. Step 5: Solve for x
   x = 139,399,845.15/13,674.62
6. Step 6: Final answer
   x = 10,194.05