Finding the Fourth Proportional to 53,005.49, 79,507.83 and 13,562.54

Step by Step Solution

1. Step 1: Write the proportion equation
   53,005.49 : 79,507.83 = 13,562.54 : x
2. Step 2: Convert to fraction form
   53,005.49/79,507.83 = 13,562.54/x
3. Step 3: Cross multiply
   53,005.49x = 79,507.83 × 13,562.54
4. Step 4: Simplify right side
   53,005.49x = 1,078,328,124.69
5. Step 5: Solve for x
   x = 1,078,328,124.69/53,005.49
6. Step 6: Final answer
   x = 20,343.71