Finding the Fourth Proportional to 2,181,591.72, 3,272,610.96 and 834,886.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181,591.72 : 3,272,610.96 = 834,886.80 : x
2. Step 2: Convert to fraction form
   2,181,591.72/3,272,610.96 = 834,886.80/x
3. Step 3: Cross multiply
   2,181,591.72x = 3,272,610.96 × 834,886.80
4. Step 4: Simplify right side
   2,181,591.72x = 2,732,259,692,039.33
5. Step 5: Solve for x
   x = 2,732,259,692,039.33/2,181,591.72
6. Step 6: Final answer
   x = 1,252,415.69