Finding the Fourth Proportional to 48,807.50, 67,354.81 and 28,670.83

Step by Step Solution

1. Step 1: Write the proportion equation
   48,807.50 : 67,354.81 = 28,670.83 : x
2. Step 2: Convert to fraction form
   48,807.50/67,354.81 = 28,670.83/x
3. Step 3: Cross multiply
   48,807.50x = 67,354.81 × 28,670.83
4. Step 4: Simplify right side
   48,807.50x = 1,931,118,067.13
5. Step 5: Solve for x
   x = 1,931,118,067.13/48,807.50
6. Step 6: Final answer
   x = 39,566.01