Finding the Fourth Proportional to 555,158.56, 766,119.72 and 300,510.76

Step by Step Solution

1. Step 1: Write the proportion equation
   555,158.56 : 766,119.72 = 300,510.76 : x
2. Step 2: Convert to fraction form
   555,158.56/766,119.72 = 300,510.76/x
3. Step 3: Cross multiply
   555,158.56x = 766,119.72 × 300,510.76
4. Step 4: Simplify right side
   555,158.56x = 230,227,219,308.19
5. Step 5: Solve for x
   x = 230,227,219,308.19/555,158.56
6. Step 6: Final answer
   x = 414,705.34