Finding the Fourth Proportional to 65,851.98, 90,875.04 and 35,636.64

Step by Step Solution

1. Step 1: Write the proportion equation
   65,851.98 : 90,875.04 = 35,636.64 : x
2. Step 2: Convert to fraction form
   65,851.98/90,875.04 = 35,636.64/x
3. Step 3: Cross multiply
   65,851.98x = 90,875.04 × 35,636.64
4. Step 4: Simplify right side
   65,851.98x = 3,238,481,085.47
5. Step 5: Solve for x
   x = 3,238,481,085.47/65,851.98
6. Step 6: Final answer
   x = 49,178.19