Finding the Fourth Proportional to 48,019.98, 66,256.56 and 28,894.62

Step by Step Solution

1. Step 1: Write the proportion equation
   48,019.98 : 66,256.56 = 28,894.62 : x
2. Step 2: Convert to fraction form
   48,019.98/66,256.56 = 28,894.62/x
3. Step 3: Cross multiply
   48,019.98x = 66,256.56 × 28,894.62
4. Step 4: Simplify right side
   48,019.98x = 1,914,458,123.71
5. Step 5: Solve for x
   x = 1,914,458,123.71/48,019.98
6. Step 6: Final answer
   x = 39,867.95