Finding the Fourth Proportional to 64,942.59, 89,644.59 and 38,107.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,942.59 : 89,644.59 = 38,107.59 : x
2. Step 2: Convert to fraction form
   64,942.59/89,644.59 = 38,107.59/x
3. Step 3: Cross multiply
   64,942.59x = 89,644.59 × 38,107.59
4. Step 4: Simplify right side
   64,942.59x = 3,416,139,281.44
5. Step 5: Solve for x
   x = 3,416,139,281.44/64,942.59
6. Step 6: Final answer
   x = 52,602.45