Finding the Fourth Proportional to 55,667.12, 76,820.88 and 30,173.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,667.12 : 76,820.88 = 30,173.52 : x
2. Step 2: Convert to fraction form
   55,667.12/76,820.88 = 30,173.52/x
3. Step 3: Cross multiply
   55,667.12x = 76,820.88 × 30,173.52
4. Step 4: Simplify right side
   55,667.12x = 2,317,956,359.10
5. Step 5: Solve for x
   x = 2,317,956,359.10/55,667.12
6. Step 6: Final answer
   x = 41,639.60