Finding the Fourth Proportional to 65,773.98, 98,662.17 and 21,400.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,773.98 : 98,662.17 = 21,400.56 : x
2. Step 2: Convert to fraction form
   65,773.98/98,662.17 = 21,400.56/x
3. Step 3: Cross multiply
   65,773.98x = 98,662.17 × 21,400.56
4. Step 4: Simplify right side
   65,773.98x = 2,111,425,688.82
5. Step 5: Solve for x
   x = 2,111,425,688.82/65,773.98
6. Step 6: Final answer
   x = 32,101.23