Finding the Fourth Proportional to 142,465.74, 213,636.27 and 67,607.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,465.74 : 213,636.27 = 67,607.34 : x
2. Step 2: Convert to fraction form
   142,465.74/213,636.27 = 67,607.34/x
3. Step 3: Cross multiply
   142,465.74x = 213,636.27 × 67,607.34
4. Step 4: Simplify right side
   142,465.74x = 14,443,379,942.22
5. Step 5: Solve for x
   x = 14,443,379,942.22/142,465.74
6. Step 6: Final answer
   x = 101,381.43