Finding the Fourth Proportional to 1,931,413.69, 2,665,680.74 and 1,115,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,413.69 : 2,665,680.74 = 1,115,470.72 : x
2. Step 2: Convert to fraction form
   1,931,413.69/2,665,680.74 = 1,115,470.72/x
3. Step 3: Cross multiply
   1,931,413.69x = 2,665,680.74 × 1,115,470.72
4. Step 4: Simplify right side
   1,931,413.69x = 2,973,488,814,337.93
5. Step 5: Solve for x
   x = 2,973,488,814,337.93/1,931,413.69
6. Step 6: Final answer
   x = 1,539,540.09