Finding the Fourth Proportional to 140,868.72, 194,404.86 and 84,269.16

Step by Step Solution

1. Step 1: Write the proportion equation
   140,868.72 : 194,404.86 = 84,269.16 : x
2. Step 2: Convert to fraction form
   140,868.72/194,404.86 = 84,269.16/x
3. Step 3: Cross multiply
   140,868.72x = 194,404.86 × 84,269.16
4. Step 4: Simplify right side
   140,868.72x = 16,382,334,252.12
5. Step 5: Solve for x
   x = 16,382,334,252.12/140,868.72
6. Step 6: Final answer
   x = 116,295.05