Finding the Fourth Proportional to 53,856.56, 80,798.52 and 18,796.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,856.56 : 80,798.52 = 18,796.88 : x
2. Step 2: Convert to fraction form
   53,856.56/80,798.52 = 18,796.88/x
3. Step 3: Cross multiply
   53,856.56x = 80,798.52 × 18,796.88
4. Step 4: Simplify right side
   53,856.56x = 1,518,760,084.62
5. Step 5: Solve for x
   x = 1,518,760,084.62/53,856.56
6. Step 6: Final answer
   x = 28,200.09