Finding the Fourth Proportional to 789,552.25, 1,184,204.72 and 257,069.69

Step by Step Solution

1. Step 1: Write the proportion equation
   789,552.25 : 1,184,204.72 = 257,069.69 : x
2. Step 2: Convert to fraction form
   789,552.25/1,184,204.72 = 257,069.69/x
3. Step 3: Cross multiply
   789,552.25x = 1,184,204.72 × 257,069.69
4. Step 4: Simplify right side
   789,552.25x = 304,423,143,870.12
5. Step 5: Solve for x
   x = 304,423,143,870.12/789,552.25
6. Step 6: Final answer
   x = 385,564.28