Finding the Fourth Proportional to 2,337,968.56, 3,507,151.72 and 821,520.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337,968.56 : 3,507,151.72 = 821,520.53 : x
2. Step 2: Convert to fraction form
   2,337,968.56/3,507,151.72 = 821,520.53/x
3. Step 3: Cross multiply
   2,337,968.56x = 3,507,151.72 × 821,520.53
4. Step 4: Simplify right side
   2,337,968.56x = 2,881,197,134,907.42
5. Step 5: Solve for x
   x = 2,881,197,134,907.42/2,337,968.56
6. Step 6: Final answer
   x = 1,232,350.68