Finding the Fourth Proportional to 55,459, 76,533.87 and 30,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,459 : 76,533.87 = 30,308.50 : x
2. Step 2: Convert to fraction form
   55,459/76,533.87 = 30,308.50/x
3. Step 3: Cross multiply
   55,459x = 76,533.87 × 30,308.50
4. Step 4: Simplify right side
   55,459x = 2,319,626,798.90
5. Step 5: Solve for x
   x = 2,319,626,798.90/55,459
6. Step 6: Final answer
   x = 41,825.98