Finding the Fourth Proportional to 37,978.72, 52,336.64 and 27,348.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,978.72 : 52,336.64 = 27,348.28 : x
2. Step 2: Convert to fraction form
   37,978.72/52,336.64 = 27,348.28/x
3. Step 3: Cross multiply
   37,978.72x = 52,336.64 × 27,348.28
4. Step 4: Simplify right side
   37,978.72x = 1,431,317,084.98
5. Step 5: Solve for x
   x = 1,431,317,084.98/37,978.72
6. Step 6: Final answer
   x = 37,687.34