Finding the Fourth Proportional to 64,897.38, 89,558.38 and 35,089.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,897.38 : 89,558.38 = 35,089.38 : x
2. Step 2: Convert to fraction form
   64,897.38/89,558.38 = 35,089.38/x
3. Step 3: Cross multiply
   64,897.38x = 89,558.38 × 35,089.38
4. Step 4: Simplify right side
   64,897.38x = 3,142,548,028.00
5. Step 5: Solve for x
   x = 3,142,548,028.00/64,897.38
6. Step 6: Final answer
   x = 48,423.34