Finding the Fourth Proportional to 606,852.72, 905,664.72 and 539,593.98

Step by Step Solution

1. Step 1: Write the proportion equation
   606,852.72 : 905,664.72 = 539,593.98 : x
2. Step 2: Convert to fraction form
   606,852.72/905,664.72 = 539,593.98/x
3. Step 3: Cross multiply
   606,852.72x = 905,664.72 × 539,593.98
4. Step 4: Simplify right side
   606,852.72x = 488,691,230,810.39
5. Step 5: Solve for x
   x = 488,691,230,810.39/606,852.72
6. Step 6: Final answer
   x = 805,288.03