Finding the Fourth Proportional to 64,815.82, 97,221.89 and 35,419.82

Step by Step Solution

1. Step 1: Write the proportion equation
   64,815.82 : 97,221.89 = 35,419.82 : x
2. Step 2: Convert to fraction form
   64,815.82/97,221.89 = 35,419.82/x
3. Step 3: Cross multiply
   64,815.82x = 97,221.89 × 35,419.82
4. Step 4: Simplify right side
   64,815.82x = 3,443,581,446.30
5. Step 5: Solve for x
   x = 3,443,581,446.30/64,815.82
6. Step 6: Final answer
   x = 53,128.72