Finding the Fourth Proportional to 8,938.44, 12,335.94 and 5,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938.44 : 12,335.94 = 5,710.50 : x
2. Step 2: Convert to fraction form
   8,938.44/12,335.94 = 5,710.50/x
3. Step 3: Cross multiply
   8,938.44x = 12,335.94 × 5,710.50
4. Step 4: Simplify right side
   8,938.44x = 70,444,385.37
5. Step 5: Solve for x
   x = 70,444,385.37/8,938.44
6. Step 6: Final answer
   x = 7,881.06