Finding the Fourth Proportional to 53,092.56, 79,645.88 and 40,636.24

Step by Step Solution

1. Step 1: Write the proportion equation
   53,092.56 : 79,645.88 = 40,636.24 : x
2. Step 2: Convert to fraction form
   53,092.56/79,645.88 = 40,636.24/x
3. Step 3: Cross multiply
   53,092.56x = 79,645.88 × 40,636.24
4. Step 4: Simplify right side
   53,092.56x = 3,236,509,094.69
5. Step 5: Solve for x
   x = 3,236,509,094.69/53,092.56
6. Step 6: Final answer
   x = 60,959.75