Finding the Fourth Proportional to 2,731,905.81, 4,097,144.60 and 812,300.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731,905.81 : 4,097,144.60 = 812,300.04 : x
2. Step 2: Convert to fraction form
   2,731,905.81/4,097,144.60 = 812,300.04/x
3. Step 3: Cross multiply
   2,731,905.81x = 4,097,144.60 × 812,300.04
4. Step 4: Simplify right side
   2,731,905.81x = 3,328,110,718,404.28
5. Step 5: Solve for x
   x = 3,328,110,718,404.28/2,731,905.81
6. Step 6: Final answer
   x = 1,218,237.72