Finding the Fourth Proportional to 162,012.30, 242,945.55 and 62,139.30

Step by Step Solution

1. Step 1: Write the proportion equation
   162,012.30 : 242,945.55 = 62,139.30 : x
2. Step 2: Convert to fraction form
   162,012.30/242,945.55 = 62,139.30/x
3. Step 3: Cross multiply
   162,012.30x = 242,945.55 × 62,139.30
4. Step 4: Simplify right side
   162,012.30x = 15,096,466,415.12
5. Step 5: Solve for x
   x = 15,096,466,415.12/162,012.30
6. Step 6: Final answer
   x = 93,180.99