Finding the Fourth Proportional to 2,155,469.56, 2,974,619.80 and 1,175,462.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,469.56 : 2,974,619.80 = 1,175,462.20 : x
2. Step 2: Convert to fraction form
   2,155,469.56/2,974,619.80 = 1,175,462.20/x
3. Step 3: Cross multiply
   2,155,469.56x = 2,974,619.80 × 1,175,462.20
4. Step 4: Simplify right side
   2,155,469.56x = 3,496,553,135,051.18
5. Step 5: Solve for x
   x = 3,496,553,135,051.18/2,155,469.56
6. Step 6: Final answer
   x = 1,622,177.00