Finding the Fourth Proportional to 608,667.17, 913,083.69 and 253,598

Step by Step Solution

1. Step 1: Write the proportion equation
   608,667.17 : 913,083.69 = 253,598 : x
2. Step 2: Convert to fraction form
   608,667.17/913,083.69 = 253,598/x
3. Step 3: Cross multiply
   608,667.17x = 913,083.69 × 253,598
4. Step 4: Simplify right side
   608,667.17x = 231,556,197,616.62
5. Step 5: Solve for x
   x = 231,556,197,616.62/608,667.17
6. Step 6: Final answer
   x = 380,431.55