Finding the Fourth Proportional to 2,161,588.89, 2,982,995.55 and 1,243,799.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,588.89 : 2,982,995.55 = 1,243,799.76 : x
2. Step 2: Convert to fraction form
   2,161,588.89/2,982,995.55 = 1,243,799.76/x
3. Step 3: Cross multiply
   2,161,588.89x = 2,982,995.55 × 1,243,799.76
4. Step 4: Simplify right side
   2,161,588.89x = 3,710,249,149,171.07
5. Step 5: Solve for x
   x = 3,710,249,149,171.07/2,161,588.89
6. Step 6: Final answer
   x = 1,716,445.33