Finding the Fourth Proportional to 140,870.72, 194,407.62 and 84,271.16

Step by Step Solution

1. Step 1: Write the proportion equation
   140,870.72 : 194,407.62 = 84,271.16 : x
2. Step 2: Convert to fraction form
   140,870.72/194,407.62 = 84,271.16/x
3. Step 3: Cross multiply
   140,870.72x = 194,407.62 × 84,271.16
4. Step 4: Simplify right side
   140,870.72x = 16,382,955,650.24
5. Step 5: Solve for x
   x = 16,382,955,650.24/140,870.72
6. Step 6: Final answer
   x = 116,297.81