Finding the Fourth Proportional to 42,396.20, 58,473.36 and 37,556.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,396.20 : 58,473.36 = 37,556.09 : x
2. Step 2: Convert to fraction form
   42,396.20/58,473.36 = 37,556.09/x
3. Step 3: Cross multiply
   42,396.20x = 58,473.36 × 37,556.09
4. Step 4: Simplify right side
   42,396.20x = 2,196,030,770.76
5. Step 5: Solve for x
   x = 2,196,030,770.76/42,396.20
6. Step 6: Final answer
   x = 51,797.82