Finding the Fourth Proportional to 2,726,804.52, 4,089,763.79 and 1,287,485.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726,804.52 : 4,089,763.79 = 1,287,485.15 : x
2. Step 2: Convert to fraction form
   2,726,804.52/4,089,763.79 = 1,287,485.15/x
3. Step 3: Cross multiply
   2,726,804.52x = 4,089,763.79 × 1,287,485.15
4. Step 4: Simplify right side
   2,726,804.52x = 5,265,510,119,746.47
5. Step 5: Solve for x
   x = 5,265,510,119,746.47/2,726,804.52
6. Step 6: Final answer
   x = 1,931,018.55