Finding the Fourth Proportional to 2,181,805.93, 3,272,898.03 and 665,830.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181,805.93 : 3,272,898.03 = 665,830.18 : x
2. Step 2: Convert to fraction form
   2,181,805.93/3,272,898.03 = 665,830.18/x
3. Step 3: Cross multiply
   2,181,805.93x = 3,272,898.03 × 665,830.18
4. Step 4: Simplify right side
   2,181,805.93x = 2,179,194,284,436.55
5. Step 5: Solve for x
   x = 2,179,194,284,436.55/2,181,805.93
6. Step 6: Final answer
   x = 998,802.99