Finding the Fourth Proportional to 1,591,111.39, 2,386,302.58 and 453,851.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,111.39 : 2,386,302.58 = 453,851.95 : x
2. Step 2: Convert to fraction form
   1,591,111.39/2,386,302.58 = 453,851.95/x
3. Step 3: Cross multiply
   1,591,111.39x = 2,386,302.58 × 453,851.95
4. Step 4: Simplify right side
   1,591,111.39x = 1,083,028,079,223.03
5. Step 5: Solve for x
   x = 1,083,028,079,223.03/1,591,111.39
6. Step 6: Final answer
   x = 680,673.95