Finding the Fourth Proportional to 71,162.52, 106,755.30 and 21,903

Step by Step Solution

1. Step 1: Write the proportion equation
   71,162.52 : 106,755.30 = 21,903 : x
2. Step 2: Convert to fraction form
   71,162.52/106,755.30 = 21,903/x
3. Step 3: Cross multiply
   71,162.52x = 106,755.30 × 21,903
4. Step 4: Simplify right side
   71,162.52x = 2,338,261,335.90
5. Step 5: Solve for x
   x = 2,338,261,335.90/71,162.52
6. Step 6: Final answer
   x = 32,858.05