Finding the Fourth Proportional to 1,432,196.37, 1,976,391.57 and 787,616.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432,196.37 : 1,976,391.57 = 787,616.57 : x
2. Step 2: Convert to fraction form
   1,432,196.37/1,976,391.57 = 787,616.57/x
3. Step 3: Cross multiply
   1,432,196.37x = 1,976,391.57 × 787,616.57
4. Step 4: Simplify right side
   1,432,196.37x = 1,556,638,749,340.32
5. Step 5: Solve for x
   x = 1,556,638,749,340.32/1,432,196.37
6. Step 6: Final answer
   x = 1,086,889.19