Finding the Fourth Proportional to 380,667.33, 525,082.77 and 244,878.12

Step by Step Solution

1. Step 1: Write the proportion equation
   380,667.33 : 525,082.77 = 244,878.12 : x
2. Step 2: Convert to fraction form
   380,667.33/525,082.77 = 244,878.12/x
3. Step 3: Cross multiply
   380,667.33x = 525,082.77 × 244,878.12
4. Step 4: Simplify right side
   380,667.33x = 128,581,281,561.99
5. Step 5: Solve for x
   x = 128,581,281,561.99/380,667.33
6. Step 6: Final answer
   x = 337,778.61