Finding the Fourth Proportional to 964,795.25, 1,447,401.83 and 290,820.17

Step by Step Solution

1. Step 1: Write the proportion equation
   964,795.25 : 1,447,401.83 = 290,820.17 : x
2. Step 2: Convert to fraction form
   964,795.25/1,447,401.83 = 290,820.17/x
3. Step 3: Cross multiply
   964,795.25x = 1,447,401.83 × 290,820.17
4. Step 4: Simplify right side
   964,795.25x = 420,933,637,567.80
5. Step 5: Solve for x
   x = 420,933,637,567.80/964,795.25
6. Step 6: Final answer
   x = 436,293.23