Finding the Fourth Proportional to 742,073.58, 1,024,061.90 and 419,776.83

Step by Step Solution

1. Step 1: Write the proportion equation
   742,073.58 : 1,024,061.90 = 419,776.83 : x
2. Step 2: Convert to fraction form
   742,073.58/1,024,061.90 = 419,776.83/x
3. Step 3: Cross multiply
   742,073.58x = 1,024,061.90 × 419,776.83
4. Step 4: Simplify right side
   742,073.58x = 429,877,456,006.89
5. Step 5: Solve for x
   x = 429,877,456,006.89/742,073.58
6. Step 6: Final answer
   x = 579,292.23