Finding the Fourth Proportional to 86,686.00, 130,066.56 and 30,566.20

Step by Step Solution

1. Step 1: Write the proportion equation
   86,686.00 : 130,066.56 = 30,566.20 : x
2. Step 2: Convert to fraction form
   86,686.00/130,066.56 = 30,566.20/x
3. Step 3: Cross multiply
   86,686.00x = 130,066.56 × 30,566.20
4. Step 4: Simplify right side
   86,686.00x = 3,975,639,835.94
5. Step 5: Solve for x
   x = 3,975,639,835.94/86,686.00
6. Step 6: Final answer
   x = 45,862.54