Finding the Fourth Proportional to 1,028,601.10, 1,436,498.60 and 1,028,601.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,601.10 : 1,436,498.60 = 1,028,601.10 : x
2. Step 2: Convert to fraction form
   1,028,601.10/1,436,498.60 = 1,028,601.10/x
3. Step 3: Cross multiply
   1,028,601.10x = 1,436,498.60 × 1,028,601.10
4. Step 4: Simplify right side
   1,028,601.10x = 1,477,584,040,108.46
5. Step 5: Solve for x
   x = 1,477,584,040,108.46/1,028,601.10
6. Step 6: Final answer
   x = 1,436,498.60