Finding the Fourth Proportional to 2,145,401.89, 2,959,416.96 and 1,285,463.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,401.89 : 2,959,416.96 = 1,285,463.93 : x
2. Step 2: Convert to fraction form
   2,145,401.89/2,959,416.96 = 1,285,463.93/x
3. Step 3: Cross multiply
   2,145,401.89x = 2,959,416.96 × 1,285,463.93
4. Step 4: Simplify right side
   2,145,401.89x = 3,804,223,743,523.28
5. Step 5: Solve for x
   x = 3,804,223,743,523.28/2,145,401.89
6. Step 6: Final answer
   x = 1,773,198.65