Finding the Fourth Proportional to 57,150.61, 79,018.27 and 50,056.63

Step by Step Solution

1. Step 1: Write the proportion equation
   57,150.61 : 79,018.27 = 50,056.63 : x
2. Step 2: Convert to fraction form
   57,150.61/79,018.27 = 50,056.63/x
3. Step 3: Cross multiply
   57,150.61x = 79,018.27 × 50,056.63
4. Step 4: Simplify right side
   57,150.61x = 3,955,388,054.35
5. Step 5: Solve for x
   x = 3,955,388,054.35/57,150.61
6. Step 6: Final answer
   x = 69,209.90