Finding the Fourth Proportional to 141,662.72, 212,515.84 and 48,146.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,662.72 : 212,515.84 = 48,146.56 : x
2. Step 2: Convert to fraction form
   141,662.72/212,515.84 = 48,146.56/x
3. Step 3: Cross multiply
   141,662.72x = 212,515.84 × 48,146.56
4. Step 4: Simplify right side
   141,662.72x = 10,231,906,641.51
5. Step 5: Solve for x
   x = 10,231,906,641.51/141,662.72
6. Step 6: Final answer
   x = 72,227.24