Finding the Fourth Proportional to 1,107,413.30, 1,658,787.15 and 1,107,413.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107,413.30 : 1,658,787.15 = 1,107,413.30 : x
2. Step 2: Convert to fraction form
   1,107,413.30/1,658,787.15 = 1,107,413.30/x
3. Step 3: Cross multiply
   1,107,413.30x = 1,658,787.15 × 1,107,413.30
4. Step 4: Simplify right side
   1,107,413.30x = 1,836,962,951,779.10
5. Step 5: Solve for x
   x = 1,836,962,951,779.10/1,107,413.30
6. Step 6: Final answer
   x = 1,658,787.15