Finding the Fourth Proportional to 13,354.00, 18,426.32 and 7,384.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,354.00 : 18,426.32 = 7,384.50 : x
2. Step 2: Convert to fraction form
   13,354.00/18,426.32 = 7,384.50/x
3. Step 3: Cross multiply
   13,354.00x = 18,426.32 × 7,384.50
4. Step 4: Simplify right side
   13,354.00x = 136,069,150.81
5. Step 5: Solve for x
   x = 136,069,150.81/13,354.00
6. Step 6: Final answer
   x = 10,189.39