Finding the Fourth Proportional to 40,003.47, 59,985.05 and 13,340.00

Step by Step Solution

1. Step 1: Write the proportion equation
   40,003.47 : 59,985.05 = 13,340.00 : x
2. Step 2: Convert to fraction form
   40,003.47/59,985.05 = 13,340.00/x
3. Step 3: Cross multiply
   40,003.47x = 59,985.05 × 13,340.00
4. Step 4: Simplify right side
   40,003.47x = 800,200,200.37
5. Step 5: Solve for x
   x = 800,200,200.37/40,003.47
6. Step 6: Final answer
   x = 20,003.27