Finding the Fourth Proportional to 42,026.26, 58,019.98 and 27,898.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,026.26 : 58,019.98 = 27,898.42 : x
2. Step 2: Convert to fraction form
   42,026.26/58,019.98 = 27,898.42/x
3. Step 3: Cross multiply
   42,026.26x = 58,019.98 × 27,898.42
4. Step 4: Simplify right side
   42,026.26x = 1,618,665,770.43
5. Step 5: Solve for x
   x = 1,618,665,770.43/42,026.26
6. Step 6: Final answer
   x = 38,515.58