Finding the Fourth Proportional to 141,951.56, 212,927.43 and 79,665.80

Step by Step Solution

1. Step 1: Write the proportion equation
   141,951.56 : 212,927.43 = 79,665.80 : x
2. Step 2: Convert to fraction form
   141,951.56/212,927.43 = 79,665.80/x
3. Step 3: Cross multiply
   141,951.56x = 212,927.43 × 79,665.80
4. Step 4: Simplify right side
   141,951.56x = 16,963,034,052.89
5. Step 5: Solve for x
   x = 16,963,034,052.89/141,951.56
6. Step 6: Final answer
   x = 119,498.75