Finding the Fourth Proportional to 87,028, 130,554.45 and 33,012.55

Step by Step Solution

1. Step 1: Write the proportion equation
   87,028 : 130,554.45 = 33,012.55 : x
2. Step 2: Convert to fraction form
   87,028/130,554.45 = 33,012.55/x
3. Step 3: Cross multiply
   87,028x = 130,554.45 × 33,012.55
4. Step 4: Simplify right side
   87,028x = 4,309,935,308.35
5. Step 5: Solve for x
   x = 4,309,935,308.35/87,028
6. Step 6: Final answer
   x = 49,523.55