Finding the Fourth Proportional to 1,673,359.86, 2,309,171.58 and 909,397.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,359.86 : 2,309,171.58 = 909,397.02 : x
2. Step 2: Convert to fraction form
   1,673,359.86/2,309,171.58 = 909,397.02/x
3. Step 3: Cross multiply
   1,673,359.86x = 2,309,171.58 × 909,397.02
4. Step 4: Simplify right side
   1,673,359.86x = 2,099,953,753,520.69
5. Step 5: Solve for x
   x = 2,099,953,753,520.69/1,673,359.86
6. Step 6: Final answer
   x = 1,254,932.55