Finding the Fourth Proportional to 384,018.18, 575,976.69 and 114,140.57

Step by Step Solution

1. Step 1: Write the proportion equation
   384,018.18 : 575,976.69 = 114,140.57 : x
2. Step 2: Convert to fraction form
   384,018.18/575,976.69 = 114,140.57/x
3. Step 3: Cross multiply
   384,018.18x = 575,976.69 × 114,140.57
4. Step 4: Simplify right side
   384,018.18x = 65,742,304,823.43
5. Step 5: Solve for x
   x = 65,742,304,823.43/384,018.18
6. Step 6: Final answer
   x = 171,195.81