Finding the Fourth Proportional to 65,478.24, 90,357.04 and 38,256.84

Step by Step Solution

1. Step 1: Write the proportion equation
   65,478.24 : 90,357.04 = 38,256.84 : x
2. Step 2: Convert to fraction form
   65,478.24/90,357.04 = 38,256.84/x
3. Step 3: Cross multiply
   65,478.24x = 90,357.04 × 38,256.84
4. Step 4: Simplify right side
   65,478.24x = 3,456,774,822.15
5. Step 5: Solve for x
   x = 3,456,774,822.15/65,478.24
6. Step 6: Final answer
   x = 52,792.73