Finding the Fourth Proportional to 53,196.69, 79,727.16 and 28,248.69

Step by Step Solution

1. Step 1: Write the proportion equation
   53,196.69 : 79,727.16 = 28,248.69 : x
2. Step 2: Convert to fraction form
   53,196.69/79,727.16 = 28,248.69/x
3. Step 3: Cross multiply
   53,196.69x = 79,727.16 × 28,248.69
4. Step 4: Simplify right side
   53,196.69x = 2,252,187,827.42
5. Step 5: Solve for x
   x = 2,252,187,827.42/53,196.69
6. Step 6: Final answer
   x = 42,336.99