Finding the Fourth Proportional to 71,264.72, 106,865.48 and 37,978.58

Step by Step Solution

1. Step 1: Write the proportion equation
   71,264.72 : 106,865.48 = 37,978.58 : x
2. Step 2: Convert to fraction form
   71,264.72/106,865.48 = 37,978.58/x
3. Step 3: Cross multiply
   71,264.72x = 106,865.48 × 37,978.58
4. Step 4: Simplify right side
   71,264.72x = 4,058,599,181.42
5. Step 5: Solve for x
   x = 4,058,599,181.42/71,264.72
6. Step 6: Final answer
   x = 56,951.03