Finding the Fourth Proportional to 379,499.76, 569,185.08 and 126,751.56

Step by Step Solution

1. Step 1: Write the proportion equation
   379,499.76 : 569,185.08 = 126,751.56 : x
2. Step 2: Convert to fraction form
   379,499.76/569,185.08 = 126,751.56/x
3. Step 3: Cross multiply
   379,499.76x = 569,185.08 × 126,751.56
4. Step 4: Simplify right side
   379,499.76x = 72,145,096,818.72
5. Step 5: Solve for x
   x = 72,145,096,818.72/379,499.76
6. Step 6: Final answer
   x = 190,105.78