Finding the Fourth Proportional to 55,667.52, 76,776.39 and 48,938.76

Step by Step Solution

1. Step 1: Write the proportion equation
   55,667.52 : 76,776.39 = 48,938.76 : x
2. Step 2: Convert to fraction form
   55,667.52/76,776.39 = 48,938.76/x
3. Step 3: Cross multiply
   55,667.52x = 76,776.39 × 48,938.76
4. Step 4: Simplify right side
   55,667.52x = 3,757,341,323.88
5. Step 5: Solve for x
   x = 3,757,341,323.88/55,667.52
6. Step 6: Final answer
   x = 67,496.11