Finding the Fourth Proportional to 65,901.98, 98,842.50 and 21,528.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,901.98 : 98,842.50 = 21,528.38 : x
2. Step 2: Convert to fraction form
   65,901.98/98,842.50 = 21,528.38/x
3. Step 3: Cross multiply
   65,901.98x = 98,842.50 × 21,528.38
4. Step 4: Simplify right side
   65,901.98x = 2,127,918,900.15
5. Step 5: Solve for x
   x = 2,127,918,900.15/65,901.98
6. Step 6: Final answer
   x = 32,289.15