Finding the Fourth Proportional to 155,934.72, 215,189.46 and 84,314.52

Step by Step Solution

1. Step 1: Write the proportion equation
   155,934.72 : 215,189.46 = 84,314.52 : x
2. Step 2: Convert to fraction form
   155,934.72/215,189.46 = 84,314.52/x
3. Step 3: Cross multiply
   155,934.72x = 215,189.46 × 84,314.52
4. Step 4: Simplify right side
   155,934.72x = 18,143,596,028.96
5. Step 5: Solve for x
   x = 18,143,596,028.96/155,934.72
6. Step 6: Final answer
   x = 116,353.79