Finding the Fourth Proportional to 64,136.49, 88,507.76 and 35,456.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,136.49 : 88,507.76 = 35,456.89 : x
2. Step 2: Convert to fraction form
   64,136.49/88,507.76 = 35,456.89/x
3. Step 3: Cross multiply
   64,136.49x = 88,507.76 × 35,456.89
4. Step 4: Simplify right side
   64,136.49x = 3,138,209,511.91
5. Step 5: Solve for x
   x = 3,138,209,511.91/64,136.49
6. Step 6: Final answer
   x = 48,930.17