Finding the Fourth Proportional to 90,019.56, 135,031.56 and 30,854.88

Step by Step Solution

1. Step 1: Write the proportion equation
   90,019.56 : 135,031.56 = 30,854.88 : x
2. Step 2: Convert to fraction form
   90,019.56/135,031.56 = 30,854.88/x
3. Step 3: Cross multiply
   90,019.56x = 135,031.56 × 30,854.88
4. Step 4: Simplify right side
   90,019.56x = 4,166,382,580.01
5. Step 5: Solve for x
   x = 4,166,382,580.01/90,019.56
6. Step 6: Final answer
   x = 46,283.08