Finding the Fourth Proportional to 13,003.50, 19,489.58 and 5,973.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.50 : 19,489.58 = 5,973.80 : x
2. Step 2: Convert to fraction form
   13,003.50/19,489.58 = 5,973.80/x
3. Step 3: Cross multiply
   13,003.50x = 19,489.58 × 5,973.80
4. Step 4: Simplify right side
   13,003.50x = 116,426,853.00
5. Step 5: Solve for x
   x = 116,426,853.00/13,003.50
6. Step 6: Final answer
   x = 8,953.50