Finding the Fourth Proportional to 42,914.10, 59,241.78 and 28,597.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,914.10 : 59,241.78 = 28,597.76 : x
2. Step 2: Convert to fraction form
   42,914.10/59,241.78 = 28,597.76/x
3. Step 3: Cross multiply
   42,914.10x = 59,241.78 × 28,597.76
4. Step 4: Simplify right side
   42,914.10x = 1,694,182,132.36
5. Step 5: Solve for x
   x = 1,694,182,132.36/42,914.10
6. Step 6: Final answer
   x = 39,478.45