Finding the Fourth Proportional to 65,189.31, 89,963.41 and 38,334.31

Step by Step Solution

1. Step 1: Write the proportion equation
   65,189.31 : 89,963.41 = 38,334.31 : x
2. Step 2: Convert to fraction form
   65,189.31/89,963.41 = 38,334.31/x
3. Step 3: Cross multiply
   65,189.31x = 89,963.41 × 38,334.31
4. Step 4: Simplify right side
   65,189.31x = 3,448,685,504.77
5. Step 5: Solve for x
   x = 3,448,685,504.77/65,189.31
6. Step 6: Final answer
   x = 52,902.63