Finding the Fourth Proportional to 86,907, 119,931.66 and 49,181.34

Step by Step Solution

1. Step 1: Write the proportion equation
   86,907 : 119,931.66 = 49,181.34 : x
2. Step 2: Convert to fraction form
   86,907/119,931.66 = 49,181.34/x
3. Step 3: Cross multiply
   86,907x = 119,931.66 × 49,181.34
4. Step 4: Simplify right side
   86,907x = 5,898,399,747.22
5. Step 5: Solve for x
   x = 5,898,399,747.22/86,907
6. Step 6: Final answer
   x = 67,870.25