Finding the Fourth Proportional to 1,673,361.86, 2,309,174.34 and 909,399.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,361.86 : 2,309,174.34 = 909,399.02 : x
2. Step 2: Convert to fraction form
   1,673,361.86/2,309,174.34 = 909,399.02/x
3. Step 3: Cross multiply
   1,673,361.86x = 2,309,174.34 × 909,399.02
4. Step 4: Simplify right side
   1,673,361.86x = 2,099,960,881,805.15
5. Step 5: Solve for x
   x = 2,099,960,881,805.15/1,673,361.86
6. Step 6: Final answer
   x = 1,254,935.31