Finding the Fourth Proportional to 141,951.31, 212,927.06 and 79,665.55

Step by Step Solution

1. Step 1: Write the proportion equation
   141,951.31 : 212,927.06 = 79,665.55 : x
2. Step 2: Convert to fraction form
   141,951.31/212,927.06 = 79,665.55/x
3. Step 3: Cross multiply
   141,951.31x = 212,927.06 × 79,665.55
4. Step 4: Simplify right side
   141,951.31x = 16,962,950,946.46
5. Step 5: Solve for x
   x = 16,962,950,946.46/141,951.31
6. Step 6: Final answer
   x = 119,498.38