Finding the Fourth Proportional to 141,621.30, 212,358.78 and 41,768.78

Step by Step Solution

1. Step 1: Write the proportion equation
   141,621.30 : 212,358.78 = 41,768.78 : x
2. Step 2: Convert to fraction form
   141,621.30/212,358.78 = 41,768.78/x
3. Step 3: Cross multiply
   141,621.30x = 212,358.78 × 41,768.78
4. Step 4: Simplify right side
   141,621.30x = 8,869,967,162.89
5. Step 5: Solve for x
   x = 8,869,967,162.89/141,621.30
6. Step 6: Final answer
   x = 62,631.59