Finding the Fourth Proportional to 67,719, 93,421.21 and 43,853.36

Step by Step Solution

1. Step 1: Write the proportion equation
   67,719 : 93,421.21 = 43,853.36 : x
2. Step 2: Convert to fraction form
   67,719/93,421.21 = 43,853.36/x
3. Step 3: Cross multiply
   67,719x = 93,421.21 × 43,853.36
4. Step 4: Simplify right side
   67,719x = 4,096,833,953.77
5. Step 5: Solve for x
   x = 4,096,833,953.77/67,719
6. Step 6: Final answer
   x = 60,497.56