Finding the Fourth Proportional to 1,281,401.33, 1,769,763.78 and 994,485.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,401.33 : 1,769,763.78 = 994,485.15 : x
2. Step 2: Convert to fraction form
   1,281,401.33/1,769,763.78 = 994,485.15/x
3. Step 3: Cross multiply
   1,281,401.33x = 1,769,763.78 × 994,485.15
4. Step 4: Simplify right side
   1,281,401.33x = 1,760,003,798,217.87
5. Step 5: Solve for x
   x = 1,760,003,798,217.87/1,281,401.33
6. Step 6: Final answer
   x = 1,373,499.28