Finding the Fourth Proportional to 525,562.69, 785,463.98 and 383,706.73

Step by Step Solution

1. Step 1: Write the proportion equation
   525,562.69 : 785,463.98 = 383,706.73 : x
2. Step 2: Convert to fraction form
   525,562.69/785,463.98 = 383,706.73/x
3. Step 3: Cross multiply
   525,562.69x = 785,463.98 × 383,706.73
4. Step 4: Simplify right side
   525,562.69x = 301,387,815,298.59
5. Step 5: Solve for x
   x = 301,387,815,298.59/525,562.69
6. Step 6: Final answer
   x = 573,457.40