Finding the Fourth Proportional to 65,018.82, 89,710.74 and 38,159.94

Step by Step Solution

1. Step 1: Write the proportion equation
   65,018.82 : 89,710.74 = 38,159.94 : x
2. Step 2: Convert to fraction form
   65,018.82/89,710.74 = 38,159.94/x
3. Step 3: Cross multiply
   65,018.82x = 89,710.74 × 38,159.94
4. Step 4: Simplify right side
   65,018.82x = 3,423,356,455.76
5. Step 5: Solve for x
   x = 3,423,356,455.76/65,018.82
6. Step 6: Final answer
   x = 52,651.78