Finding the Fourth Proportional to 384,162.94, 530,153.38 and 212,080.52

Step by Step Solution

1. Step 1: Write the proportion equation
   384,162.94 : 530,153.38 = 212,080.52 : x
2. Step 2: Convert to fraction form
   384,162.94/530,153.38 = 212,080.52/x
3. Step 3: Cross multiply
   384,162.94x = 530,153.38 × 212,080.52
4. Step 4: Simplify right side
   384,162.94x = 112,435,204,510.16
5. Step 5: Solve for x
   x = 112,435,204,510.16/384,162.94
6. Step 6: Final answer
   x = 292,675.82