Finding the Fourth Proportional to 2,238,708.08, 3,089,499.89 and 1,272,003.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,708.08 : 3,089,499.89 = 1,272,003.05 : x
2. Step 2: Convert to fraction form
   2,238,708.08/3,089,499.89 = 1,272,003.05/x
3. Step 3: Cross multiply
   2,238,708.08x = 3,089,499.89 × 1,272,003.05
4. Step 4: Simplify right side
   2,238,708.08x = 3,929,853,261,247.15
5. Step 5: Solve for x
   x = 3,929,853,261,247.15/2,238,708.08
6. Step 6: Final answer
   x = 1,755,411.21