Finding the Fourth Proportional to 86,760.77, 130,156.59 and 30,633.47

Step by Step Solution

1. Step 1: Write the proportion equation
   86,760.77 : 130,156.59 = 30,633.47 : x
2. Step 2: Convert to fraction form
   86,760.77/130,156.59 = 30,633.47/x
3. Step 3: Cross multiply
   86,760.77x = 130,156.59 × 30,633.47
4. Step 4: Simplify right side
   86,760.77x = 3,987,147,995.07
5. Step 5: Solve for x
   x = 3,987,147,995.07/86,760.77
6. Step 6: Final answer
   x = 45,955.65