Finding the Fourth Proportional to 53,005.23, 79,510.55 and 13,562.69

Step by Step Solution

1. Step 1: Write the proportion equation
   53,005.23 : 79,510.55 = 13,562.69 : x
2. Step 2: Convert to fraction form
   53,005.23/79,510.55 = 13,562.69/x
3. Step 3: Cross multiply
   53,005.23x = 79,510.55 × 13,562.69
4. Step 4: Simplify right side
   53,005.23x = 1,078,376,476.01
5. Step 5: Solve for x
   x = 1,078,376,476.01/53,005.23
6. Step 6: Final answer
   x = 20,344.72