Finding the Fourth Proportional to 51,443.37, 70,994.62 and 28,781.01

Step by Step Solution

1. Step 1: Write the proportion equation
   51,443.37 : 70,994.62 = 28,781.01 : x
2. Step 2: Convert to fraction form
   51,443.37/70,994.62 = 28,781.01/x
3. Step 3: Cross multiply
   51,443.37x = 70,994.62 × 28,781.01
4. Step 4: Simplify right side
   51,443.37x = 2,043,297,008.48
5. Step 5: Solve for x
   x = 2,043,297,008.48/51,443.37
6. Step 6: Final answer
   x = 39,719.34