Finding the Fourth Proportional to 555,002.22, 765,903.06 and 300,353.46

Step by Step Solution

1. Step 1: Write the proportion equation
   555,002.22 : 765,903.06 = 300,353.46 : x
2. Step 2: Convert to fraction form
   555,002.22/765,903.06 = 300,353.46/x
3. Step 3: Cross multiply
   555,002.22x = 765,903.06 × 300,353.46
4. Step 4: Simplify right side
   555,002.22x = 230,041,634,095.59
5. Step 5: Solve for x
   x = 230,041,634,095.59/555,002.22
6. Step 6: Final answer
   x = 414,487.77