Finding the Fourth Proportional to 2,238,760.30, 3,089,571.79 and 1,272,054.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,760.30 : 3,089,571.79 = 1,272,054.32 : x
2. Step 2: Convert to fraction form
   2,238,760.30/3,089,571.79 = 1,272,054.32/x
3. Step 3: Cross multiply
   2,238,760.30x = 3,089,571.79 × 1,272,054.32
4. Step 4: Simplify right side
   2,238,760.30x = 3,930,103,142,419.63
5. Step 5: Solve for x
   x = 3,930,103,142,419.63/2,238,760.30
6. Step 6: Final answer
   x = 1,755,481.88