Finding the Fourth Proportional to 242,227.72, 334,238.76 and 145,411.06

Step by Step Solution

1. Step 1: Write the proportion equation
   242,227.72 : 334,238.76 = 145,411.06 : x
2. Step 2: Convert to fraction form
   242,227.72/334,238.76 = 145,411.06/x
3. Step 3: Cross multiply
   242,227.72x = 334,238.76 × 145,411.06
4. Step 4: Simplify right side
   242,227.72x = 48,602,012,384.69
5. Step 5: Solve for x
   x = 48,602,012,384.69/242,227.72
6. Step 6: Final answer
   x = 200,645.96