Finding the Fourth Proportional to 20,761.02, 31,123.01 and 7,610.32

Step by Step Solution

1. Step 1: Write the proportion equation
   20,761.02 : 31,123.01 = 7,610.32 : x
2. Step 2: Convert to fraction form
   20,761.02/31,123.01 = 7,610.32/x
3. Step 3: Cross multiply
   20,761.02x = 31,123.01 × 7,610.32
4. Step 4: Simplify right side
   20,761.02x = 236,856,123.39
5. Step 5: Solve for x
   x = 236,856,123.39/20,761.02
6. Step 6: Final answer
   x = 11,408.69