Finding the Fourth Proportional to 65,992.72, 91,068.96 and 35,777.52

Step by Step Solution

1. Step 1: Write the proportion equation
   65,992.72 : 91,068.96 = 35,777.52 : x
2. Step 2: Convert to fraction form
   65,992.72/91,068.96 = 35,777.52/x
3. Step 3: Cross multiply
   65,992.72x = 91,068.96 × 35,777.52
4. Step 4: Simplify right side
   65,992.72x = 3,258,221,537.78
5. Step 5: Solve for x
   x = 3,258,221,537.78/65,992.72
6. Step 6: Final answer
   x = 49,372.44