Finding the Fourth Proportional to 64,874.39, 89,526.40 and 35,066.39

Step by Step Solution

1. Step 1: Write the proportion equation
   64,874.39 : 89,526.40 = 35,066.39 : x
2. Step 2: Convert to fraction form
   64,874.39/89,526.40 = 35,066.39/x
3. Step 3: Cross multiply
   64,874.39x = 89,526.40 × 35,066.39
4. Step 4: Simplify right side
   64,874.39x = 3,139,367,122.40
5. Step 5: Solve for x
   x = 3,139,367,122.40/64,874.39
6. Step 6: Final answer
   x = 48,391.47