Finding the Fourth Proportional to 53,971.56, 80,414.70 and 50,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,971.56 : 80,414.70 = 50,953.50 : x
2. Step 2: Convert to fraction form
   53,971.56/80,414.70 = 50,953.50/x
3. Step 3: Cross multiply
   53,971.56x = 80,414.70 × 50,953.50
4. Step 4: Simplify right side
   53,971.56x = 4,097,410,416.45
5. Step 5: Solve for x
   x = 4,097,410,416.45/53,971.56
6. Step 6: Final answer
   x = 75,917.95