Finding the Fourth Proportional to 616,443.88, 924,667.55 and 189,965.94

Step by Step Solution

1. Step 1: Write the proportion equation
   616,443.88 : 924,667.55 = 189,965.94 : x
2. Step 2: Convert to fraction form
   616,443.88/924,667.55 = 189,965.94/x
3. Step 3: Cross multiply
   616,443.88x = 924,667.55 × 189,965.94
4. Step 4: Simplify right side
   616,443.88x = 175,655,338,857.01
5. Step 5: Solve for x
   x = 175,655,338,857.01/616,443.88
6. Step 6: Final answer
   x = 284,949.44