Finding the Fourth Proportional to 1,093,854.16, 1,638,419.28 and 1,067,085.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093,854.16 : 1,638,419.28 = 1,067,085.28 : x
2. Step 2: Convert to fraction form
   1,093,854.16/1,638,419.28 = 1,067,085.28/x
3. Step 3: Cross multiply
   1,093,854.16x = 1,638,419.28 × 1,067,085.28
4. Step 4: Simplify right side
   1,093,854.16x = 1,748,333,096,156.20
5. Step 5: Solve for x
   x = 1,748,333,096,156.20/1,093,854.16
6. Step 6: Final answer
   x = 1,598,323.76