Finding the Fourth Proportional to 26,915.27, 37,142.81 and 14,978.41

Step by Step Solution

1. Step 1: Write the proportion equation
   26,915.27 : 37,142.81 = 14,978.41 : x
2. Step 2: Convert to fraction form
   26,915.27/37,142.81 = 14,978.41/x
3. Step 3: Cross multiply
   26,915.27x = 37,142.81 × 14,978.41
4. Step 4: Simplify right side
   26,915.27x = 556,340,068.98
5. Step 5: Solve for x
   x = 556,340,068.98/26,915.27
6. Step 6: Final answer
   x = 20,670.05