Finding the Fourth Proportional to 140,064.52, 210,134.22 and 61,185.16

Step by Step Solution

1. Step 1: Write the proportion equation
   140,064.52 : 210,134.22 = 61,185.16 : x
2. Step 2: Convert to fraction form
   140,064.52/210,134.22 = 61,185.16/x
3. Step 3: Cross multiply
   140,064.52x = 210,134.22 × 61,185.16
4. Step 4: Simplify right side
   140,064.52x = 12,857,095,872.18
5. Step 5: Solve for x
   x = 12,857,095,872.18/140,064.52
6. Step 6: Final answer
   x = 91,794.10