Finding the Fourth Proportional to 50,625.77, 69,256.40 and 50,412.53

Step by Step Solution

1. Step 1: Write the proportion equation
   50,625.77 : 69,256.40 = 50,412.53 : x
2. Step 2: Convert to fraction form
   50,625.77/69,256.40 = 50,412.53/x
3. Step 3: Cross multiply
   50,625.77x = 69,256.40 × 50,412.53
4. Step 4: Simplify right side
   50,625.77x = 3,491,390,641.86
5. Step 5: Solve for x
   x = 3,491,390,641.86/50,625.77
6. Step 6: Final answer
   x = 68,964.70