Finding the Fourth Proportional to 64,815.39, 89,445.24 and 35,007.39

Step by Step Solution

1. Step 1: Write the proportion equation
   64,815.39 : 89,445.24 = 35,007.39 : x
2. Step 2: Convert to fraction form
   64,815.39/89,445.24 = 35,007.39/x
3. Step 3: Cross multiply
   64,815.39x = 89,445.24 × 35,007.39
4. Step 4: Simplify right side
   64,815.39x = 3,131,244,400.32
5. Step 5: Solve for x
   x = 3,131,244,400.32/64,815.39
6. Step 6: Final answer
   x = 48,310.20