Finding the Fourth Proportional to 65,320.14, 90,143.37 and 39,827.82

Step by Step Solution

1. Step 1: Write the proportion equation
   65,320.14 : 90,143.37 = 39,827.82 : x
2. Step 2: Convert to fraction form
   65,320.14/90,143.37 = 39,827.82/x
3. Step 3: Cross multiply
   65,320.14x = 90,143.37 × 39,827.82
4. Step 4: Simplify right side
   65,320.14x = 3,590,213,914.55
5. Step 5: Solve for x
   x = 3,590,213,914.55/65,320.14
6. Step 6: Final answer
   x = 54,963.35