Finding the Fourth Proportional to 65,862.94, 90,904.71 and 60,549.34

Step by Step Solution

1. Step 1: Write the proportion equation
   65,862.94 : 90,904.71 = 60,549.34 : x
2. Step 2: Convert to fraction form
   65,862.94/90,904.71 = 60,549.34/x
3. Step 3: Cross multiply
   65,862.94x = 90,904.71 × 60,549.34
4. Step 4: Simplify right side
   65,862.94x = 5,504,220,193.39
5. Step 5: Solve for x
   x = 5,504,220,193.39/65,862.94
6. Step 6: Final answer
   x = 83,570.82