Finding the Fourth Proportional to 20,248.56, 30,373.10 and 7,101.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,248.56 : 30,373.10 = 7,101.31 : x
2. Step 2: Convert to fraction form
   20,248.56/30,373.10 = 7,101.31/x
3. Step 3: Cross multiply
   20,248.56x = 30,373.10 × 7,101.31
4. Step 4: Simplify right side
   20,248.56x = 215,688,816.51
5. Step 5: Solve for x
   x = 215,688,816.51/20,248.56
6. Step 6: Final answer
   x = 10,652.06