Finding the Fourth Proportional to 677,598.51, 935,083.33 and 419,424.00

Step by Step Solution

1. Step 1: Write the proportion equation
   677,598.51 : 935,083.33 = 419,424.00 : x
2. Step 2: Convert to fraction form
   677,598.51/935,083.33 = 419,424.00/x
3. Step 3: Cross multiply
   677,598.51x = 935,083.33 × 419,424.00
4. Step 4: Simplify right side
   677,598.51x = 392,196,388,086.90
5. Step 5: Solve for x
   x = 392,196,388,086.90/677,598.51
6. Step 6: Final answer
   x = 578,803.50