Finding the Fourth Proportional to 127,818.69, 191,598.15 and 52,979.55

Step by Step Solution

1. Step 1: Write the proportion equation
   127,818.69 : 191,598.15 = 52,979.55 : x
2. Step 2: Convert to fraction form
   127,818.69/191,598.15 = 52,979.55/x
3. Step 3: Cross multiply
   127,818.69x = 191,598.15 × 52,979.55
4. Step 4: Simplify right side
   127,818.69x = 10,150,783,767.83
5. Step 5: Solve for x
   x = 10,150,783,767.83/127,818.69
6. Step 6: Final answer
   x = 79,415.49