Finding the Fourth Proportional to 42,217.00, 58,267.28 and 27,128.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,217.00 : 58,267.28 = 27,128.52 : x
2. Step 2: Convert to fraction form
   42,217.00/58,267.28 = 27,128.52/x
3. Step 3: Cross multiply
   42,217.00x = 58,267.28 × 27,128.52
4. Step 4: Simplify right side
   42,217.00x = 1,580,705,138.65
5. Step 5: Solve for x
   x = 1,580,705,138.65/42,217.00
6. Step 6: Final answer
   x = 37,442.39