Finding the Fourth Proportional to 65,930.36, 98,901.62 and 21,557.34

Step by Step Solution

1. Step 1: Write the proportion equation
   65,930.36 : 98,901.62 = 21,557.34 : x
2. Step 2: Convert to fraction form
   65,930.36/98,901.62 = 21,557.34/x
3. Step 3: Cross multiply
   65,930.36x = 98,901.62 × 21,557.34
4. Step 4: Simplify right side
   65,930.36x = 2,132,055,848.89
5. Step 5: Solve for x
   x = 2,132,055,848.89/65,930.36
6. Step 6: Final answer
   x = 32,338.00