Finding the Fourth Proportional to 2,131,660.89, 3,191,761.53 and 1,623,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,660.89 : 3,191,761.53 = 1,623,802.50 : x
2. Step 2: Convert to fraction form
   2,131,660.89/3,191,761.53 = 1,623,802.50/x
3. Step 3: Cross multiply
   2,131,660.89x = 3,191,761.53 × 1,623,802.50
4. Step 4: Simplify right side
   2,131,660.89x = 5,182,790,351,817.82
5. Step 5: Solve for x
   x = 5,182,790,351,817.82/2,131,660.89
6. Step 6: Final answer
   x = 2,431,339.04