Finding the Fourth Proportional to 53,769.60, 80,561.76 and 41,946.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,769.60 : 80,561.76 = 41,946.72 : x
2. Step 2: Convert to fraction form
   53,769.60/80,561.76 = 41,946.72/x
3. Step 3: Cross multiply
   53,769.60x = 80,561.76 × 41,946.72
4. Step 4: Simplify right side
   53,769.60x = 3,379,301,589.43
5. Step 5: Solve for x
   x = 3,379,301,589.43/53,769.60
6. Step 6: Final answer
   x = 62,847.81