Finding the Fourth Proportional to 2,028,389.72, 3,043,051.20 and 680,731.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028,389.72 : 3,043,051.20 = 680,731.16 : x
2. Step 2: Convert to fraction form
   2,028,389.72/3,043,051.20 = 680,731.16/x
3. Step 3: Cross multiply
   2,028,389.72x = 3,043,051.20 × 680,731.16
4. Step 4: Simplify right side
   2,028,389.72x = 2,071,499,773,315.39
5. Step 5: Solve for x
   x = 2,071,499,773,315.39/2,028,389.72
6. Step 6: Final answer
   x = 1,021,253.34