Finding the Fourth Proportional to 65,907.10, 91,101.36 and 60,675.76

Step by Step Solution

1. Step 1: Write the proportion equation
   65,907.10 : 91,101.36 = 60,675.76 : x
2. Step 2: Convert to fraction form
   65,907.10/91,101.36 = 60,675.76/x
3. Step 3: Cross multiply
   65,907.10x = 91,101.36 × 60,675.76
4. Step 4: Simplify right side
   65,907.10x = 5,527,644,255.03
5. Step 5: Solve for x
   x = 5,527,644,255.03/65,907.10
6. Step 6: Final answer
   x = 83,870.24