Finding the Fourth Proportional to 65,300.82, 90,110.76 and 38,448.54

Step by Step Solution

1. Step 1: Write the proportion equation
   65,300.82 : 90,110.76 = 38,448.54 : x
2. Step 2: Convert to fraction form
   65,300.82/90,110.76 = 38,448.54/x
3. Step 3: Cross multiply
   65,300.82x = 90,110.76 × 38,448.54
4. Step 4: Simplify right side
   65,300.82x = 3,464,627,160.29
5. Step 5: Solve for x
   x = 3,464,627,160.29/65,300.82
6. Step 6: Final answer
   x = 53,056.41