Finding the Fourth Proportional to 2,155,450.68, 2,974,499.97 and 1,175,387.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,450.68 : 2,974,499.97 = 1,175,387.31 : x
2. Step 2: Convert to fraction form
   2,155,450.68/2,974,499.97 = 1,175,387.31/x
3. Step 3: Cross multiply
   2,155,450.68x = 2,974,499.97 × 1,175,387.31
4. Step 4: Simplify right side
   2,155,450.68x = 3,496,189,518,333.38
5. Step 5: Solve for x
   x = 3,496,189,518,333.38/2,155,450.68
6. Step 6: Final answer
   x = 1,622,022.51