Finding the Fourth Proportional to 1,591,109.89, 2,386,300.33 and 453,850.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,109.89 : 2,386,300.33 = 453,850.45 : x
2. Step 2: Convert to fraction form
   1,591,109.89/2,386,300.33 = 453,850.45/x
3. Step 3: Cross multiply
   1,591,109.89x = 2,386,300.33 × 453,850.45
4. Step 4: Simplify right side
   1,591,109.89x = 1,083,023,478,605.65
5. Step 5: Solve for x
   x = 1,083,023,478,605.65/1,591,109.89
6. Step 6: Final answer
   x = 680,671.70