Finding the Fourth Proportional to 2,519,116.80, 3,777,717.60 and 813,004.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519,116.80 : 3,777,717.60 = 813,004.35 : x
2. Step 2: Convert to fraction form
   2,519,116.80/3,777,717.60 = 813,004.35/x
3. Step 3: Cross multiply
   2,519,116.80x = 3,777,717.60 × 813,004.35
4. Step 4: Simplify right side
   2,519,116.80x = 3,071,300,841,871.56
5. Step 5: Solve for x
   x = 3,071,300,841,871.56/2,519,116.80
6. Step 6: Final answer
   x = 1,219,197.48