Finding the Fourth Proportional to 65,774, 98,665.86 and 21,397.34

Step by Step Solution

1. Step 1: Write the proportion equation
   65,774 : 98,665.86 = 21,397.34 : x
2. Step 2: Convert to fraction form
   65,774/98,665.86 = 21,397.34/x
3. Step 3: Cross multiply
   65,774x = 98,665.86 × 21,397.34
4. Step 4: Simplify right side
   65,774x = 2,111,186,952.81
5. Step 5: Solve for x
   x = 2,111,186,952.81/65,774
6. Step 6: Final answer
   x = 32,097.59