Finding the Fourth Proportional to 48,028.71, 72,046.71 and 12,967.86

Step by Step Solution

1. Step 1: Write the proportion equation
   48,028.71 : 72,046.71 = 12,967.86 : x
2. Step 2: Convert to fraction form
   48,028.71/72,046.71 = 12,967.86/x
3. Step 3: Cross multiply
   48,028.71x = 72,046.71 × 12,967.86
4. Step 4: Simplify right side
   48,028.71x = 934,291,648.74
5. Step 5: Solve for x
   x = 934,291,648.74/48,028.71
6. Step 6: Final answer
   x = 19,452.77