Finding the Fourth Proportional to 72,608.04, 108,988.38 and 64,341

Step by Step Solution

1. Step 1: Write the proportion equation
   72,608.04 : 108,988.38 = 64,341 : x
2. Step 2: Convert to fraction form
   72,608.04/108,988.38 = 64,341/x
3. Step 3: Cross multiply
   72,608.04x = 108,988.38 × 64,341
4. Step 4: Simplify right side
   72,608.04x = 7,012,421,357.58
5. Step 5: Solve for x
   x = 7,012,421,357.58/72,608.04
6. Step 6: Final answer
   x = 96,579.13