Finding the Fourth Proportional to 2,155,470.48, 2,974,621.07 and 1,175,463.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,470.48 : 2,974,621.07 = 1,175,463.12 : x
2. Step 2: Convert to fraction form
   2,155,470.48/2,974,621.07 = 1,175,463.12/x
3. Step 3: Cross multiply
   2,155,470.48x = 2,974,621.07 × 1,175,463.12
4. Step 4: Simplify right side
   2,155,470.48x = 3,496,557,366,008.89
5. Step 5: Solve for x
   x = 3,496,557,366,008.89/2,155,470.48
6. Step 6: Final answer
   x = 1,622,178.27