Finding the Fourth Proportional to 86,783.02, 130,189.12 and 27,636.82

Step by Step Solution

1. Step 1: Write the proportion equation
   86,783.02 : 130,189.12 = 27,636.82 : x
2. Step 2: Convert to fraction form
   86,783.02/130,189.12 = 27,636.82/x
3. Step 3: Cross multiply
   86,783.02x = 130,189.12 × 27,636.82
4. Step 4: Simplify right side
   86,783.02x = 3,598,012,880.83
5. Step 5: Solve for x
   x = 3,598,012,880.83/86,783.02
6. Step 6: Final answer
   x = 41,459.87