Finding the Fourth Proportional to 53,696.86, 80,514.42 and 22,128.71

Step by Step Solution

1. Step 1: Write the proportion equation
   53,696.86 : 80,514.42 = 22,128.71 : x
2. Step 2: Convert to fraction form
   53,696.86/80,514.42 = 22,128.71/x
3. Step 3: Cross multiply
   53,696.86x = 80,514.42 × 22,128.71
4. Step 4: Simplify right side
   53,696.86x = 1,781,680,342.81
5. Step 5: Solve for x
   x = 1,781,680,342.81/53,696.86
6. Step 6: Final answer
   x = 33,180.35