Finding the Fourth Proportional to 55,528.34, 76,628.78 and 30,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,528.34 : 76,628.78 = 30,034.50 : x
2. Step 2: Convert to fraction form
   55,528.34/76,628.78 = 30,034.50/x
3. Step 3: Cross multiply
   55,528.34x = 76,628.78 × 30,034.50
4. Step 4: Simplify right side
   55,528.34x = 2,301,506,936.95
5. Step 5: Solve for x
   x = 2,301,506,936.95/55,528.34
6. Step 6: Final answer
   x = 41,447.43