Finding the Fourth Proportional to 48,667.48, 72,655.55 and 46,939.48

Step by Step Solution

1. Step 1: Write the proportion equation
   48,667.48 : 72,655.55 = 46,939.48 : x
2. Step 2: Convert to fraction form
   48,667.48/72,655.55 = 46,939.48/x
3. Step 3: Cross multiply
   48,667.48x = 72,655.55 × 46,939.48
4. Step 4: Simplify right side
   48,667.48x = 3,410,413,736.11
5. Step 5: Solve for x
   x = 3,410,413,736.11/48,667.48
6. Step 6: Final answer
   x = 70,075.82