Finding the Fourth Proportional to 31,602.96, 43,629.54 and 21,546.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,602.96 : 43,629.54 = 21,546.10 : x
2. Step 2: Convert to fraction form
   31,602.96/43,629.54 = 21,546.10/x
3. Step 3: Cross multiply
   31,602.96x = 43,629.54 × 21,546.10
4. Step 4: Simplify right side
   31,602.96x = 940,046,405.53
5. Step 5: Solve for x
   x = 940,046,405.53/31,602.96
6. Step 6: Final answer
   x = 29,745.52