Finding the Fourth Proportional to 65,970.27, 98,945.79 and 21,598.76

Step by Step Solution

1. Step 1: Write the proportion equation
   65,970.27 : 98,945.79 = 21,598.76 : x
2. Step 2: Convert to fraction form
   65,970.27/98,945.79 = 21,598.76/x
3. Step 3: Cross multiply
   65,970.27x = 98,945.79 × 21,598.76
4. Step 4: Simplify right side
   65,970.27x = 2,137,105,876.49
5. Step 5: Solve for x
   x = 2,137,105,876.49/65,970.27
6. Step 6: Final answer
   x = 32,394.98