Finding the Fourth Proportional to 665,085.05, 997,590.55 and 591,052.35

Step by Step Solution

1. Step 1: Write the proportion equation
   665,085.05 : 997,590.55 = 591,052.35 : x
2. Step 2: Convert to fraction form
   665,085.05/997,590.55 = 591,052.35/x
3. Step 3: Cross multiply
   665,085.05x = 997,590.55 × 591,052.35
4. Step 4: Simplify right side
   665,085.05x = 589,628,238,915.29
5. Step 5: Solve for x
   x = 589,628,238,915.29/665,085.05
6. Step 6: Final answer
   x = 886,545.62