Finding the Fourth Proportional to 53,144.10, 79,668.72 and 19,838.52

Step by Step Solution

1. Step 1: Write the proportion equation
   53,144.10 : 79,668.72 = 19,838.52 : x
2. Step 2: Convert to fraction form
   53,144.10/79,668.72 = 19,838.52/x
3. Step 3: Cross multiply
   53,144.10x = 79,668.72 × 19,838.52
4. Step 4: Simplify right side
   53,144.10x = 1,580,509,495.09
5. Step 5: Solve for x
   x = 1,580,509,495.09/53,144.10
6. Step 6: Final answer
   x = 29,740.07