Finding the Fourth Proportional to 68,851, 95,173.55 and 57,454.30

Step by Step Solution

1. Step 1: Write the proportion equation
   68,851 : 95,173.55 = 57,454.30 : x
2. Step 2: Convert to fraction form
   68,851/95,173.55 = 57,454.30/x
3. Step 3: Cross multiply
   68,851x = 95,173.55 × 57,454.30
4. Step 4: Simplify right side
   68,851x = 5,468,129,693.77
5. Step 5: Solve for x
   x = 5,468,129,693.77/68,851
6. Step 6: Final answer
   x = 79,419.76