Finding the Fourth Proportional to 2,347,112.72, 3,238,996.20 and 1,328,508.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347,112.72 : 3,238,996.20 = 1,328,508.56 : x
2. Step 2: Convert to fraction form
   2,347,112.72/3,238,996.20 = 1,328,508.56/x
3. Step 3: Cross multiply
   2,347,112.72x = 3,238,996.20 × 1,328,508.56
4. Step 4: Simplify right side
   2,347,112.72x = 4,303,034,177,507.47
5. Step 5: Solve for x
   x = 4,303,034,177,507.47/2,347,112.72
6. Step 6: Final answer
   x = 1,833,330.86