Finding the Fourth Proportional to 2,155,478.82, 2,974,632.60 and 1,175,471.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,478.82 : 2,974,632.60 = 1,175,471.46 : x
2. Step 2: Convert to fraction form
   2,155,478.82/2,974,632.60 = 1,175,471.46/x
3. Step 3: Cross multiply
   2,155,478.82x = 2,974,632.60 × 1,175,471.46
4. Step 4: Simplify right side
   2,155,478.82x = 3,496,595,725,285.60
5. Step 5: Solve for x
   x = 3,496,595,725,285.60/2,155,478.82
6. Step 6: Final answer
   x = 1,622,189.79