Finding the Fourth Proportional to 665,086.05, 997,592.05 and 591,053.35

Step by Step Solution

1. Step 1: Write the proportion equation
   665,086.05 : 997,592.05 = 591,053.35 : x
2. Step 2: Convert to fraction form
   665,086.05/997,592.05 = 591,053.35/x
3. Step 3: Cross multiply
   665,086.05x = 997,592.05 × 591,053.35
4. Step 4: Simplify right side
   665,086.05x = 589,630,123,085.87
5. Step 5: Solve for x
   x = 589,630,123,085.87/665,086.05
6. Step 6: Final answer
   x = 886,547.12