Finding the Fourth Proportional to 53,742.04, 79,936.46 and 53,562.22

Step by Step Solution

1. Step 1: Write the proportion equation
   53,742.04 : 79,936.46 = 53,562.22 : x
2. Step 2: Convert to fraction form
   53,742.04/79,936.46 = 53,562.22/x
3. Step 3: Cross multiply
   53,742.04x = 79,936.46 × 53,562.22
4. Step 4: Simplify right side
   53,742.04x = 4,281,574,256.54
5. Step 5: Solve for x
   x = 4,281,574,256.54/53,742.04
6. Step 6: Final answer
   x = 79,668.99