Finding the Fourth Proportional to 9,906.25, 13,671.03 and 5,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.25 : 13,671.03 = 5,714.50 : x
2. Step 2: Convert to fraction form
   9,906.25/13,671.03 = 5,714.50/x
3. Step 3: Cross multiply
   9,906.25x = 13,671.03 × 5,714.50
4. Step 4: Simplify right side
   9,906.25x = 78,123,100.94
5. Step 5: Solve for x
   x = 78,123,100.94/9,906.25
6. Step 6: Final answer
   x = 7,886.24