Finding the Fourth Proportional to 53,003.82, 79,504.34 and 13,023.20

Step by Step Solution

1. Step 1: Write the proportion equation
   53,003.82 : 79,504.34 = 13,023.20 : x
2. Step 2: Convert to fraction form
   53,003.82/79,504.34 = 13,023.20/x
3. Step 3: Cross multiply
   53,003.82x = 79,504.34 × 13,023.20
4. Step 4: Simplify right side
   53,003.82x = 1,035,400,920.69
5. Step 5: Solve for x
   x = 1,035,400,920.69/53,003.82
6. Step 6: Final answer
   x = 19,534.46