Finding the Fourth Proportional to 341,978.94, 512,977.17 and 162,022.23

Step by Step Solution

1. Step 1: Write the proportion equation
   341,978.94 : 512,977.17 = 162,022.23 : x
2. Step 2: Convert to fraction form
   341,978.94/512,977.17 = 162,022.23/x
3. Step 3: Cross multiply
   341,978.94x = 512,977.17 × 162,022.23
4. Step 4: Simplify right side
   341,978.94x = 83,113,705,022.49
5. Step 5: Solve for x
   x = 83,113,705,022.49/341,978.94
6. Step 6: Final answer
   x = 243,037.50