Finding the Fourth Proportional to 65,783.98, 98,677.17 and 21,410.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,783.98 : 98,677.17 = 21,410.56 : x
2. Step 2: Convert to fraction form
   65,783.98/98,677.17 = 21,410.56/x
3. Step 3: Cross multiply
   65,783.98x = 98,677.17 × 21,410.56
4. Step 4: Simplify right side
   65,783.98x = 2,112,733,468.92
5. Step 5: Solve for x
   x = 2,112,733,468.92/65,783.98
6. Step 6: Final answer
   x = 32,116.23