Finding the Fourth Proportional to 37,279.67, 55,828.61 and 28,385.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,279.67 : 55,828.61 = 28,385.42 : x
2. Step 2: Convert to fraction form
   37,279.67/55,828.61 = 28,385.42/x
3. Step 3: Cross multiply
   37,279.67x = 55,828.61 × 28,385.42
4. Step 4: Simplify right side
   37,279.67x = 1,584,718,753.40
5. Step 5: Solve for x
   x = 1,584,718,753.40/37,279.67
6. Step 6: Final answer
   x = 42,508.92