Finding the Fourth Proportional to 3,978.63, 5,927.96 and 3,755.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.63 : 5,927.96 = 3,755.07 : x
2. Step 2: Convert to fraction form
   3,978.63/5,927.96 = 3,755.07/x
3. Step 3: Cross multiply
   3,978.63x = 5,927.96 × 3,755.07
4. Step 4: Simplify right side
   3,978.63x = 22,259,885.98
5. Step 5: Solve for x
   x = 22,259,885.98/3,978.63
6. Step 6: Final answer
   x = 5,594.86