Finding the Fourth Proportional to 55,698.50, 76,867.58 and 30,548

Step by Step Solution

1. Step 1: Write the proportion equation
   55,698.50 : 76,867.58 = 30,548 : x
2. Step 2: Convert to fraction form
   55,698.50/76,867.58 = 30,548/x
3. Step 3: Cross multiply
   55,698.50x = 76,867.58 × 30,548
4. Step 4: Simplify right side
   55,698.50x = 2,348,150,681.10
5. Step 5: Solve for x
   x = 2,348,150,681.10/55,698.50
6. Step 6: Final answer
   x = 42,158.24