Finding the Fourth Proportional to 48,667.77, 67,148.80 and 28,513.83

Step by Step Solution

1. Step 1: Write the proportion equation
   48,667.77 : 67,148.80 = 28,513.83 : x
2. Step 2: Convert to fraction form
   48,667.77/67,148.80 = 28,513.83/x
3. Step 3: Cross multiply
   48,667.77x = 67,148.80 × 28,513.83
4. Step 4: Simplify right side
   48,667.77x = 1,914,669,467.90
5. Step 5: Solve for x
   x = 1,914,669,467.90/48,667.77
6. Step 6: Final answer
   x = 39,341.63