Finding the Fourth Proportional to 89,913.58, 134,897.37 and 42,564.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,913.58 : 134,897.37 = 42,564.76 : x
2. Step 2: Convert to fraction form
   89,913.58/134,897.37 = 42,564.76/x
3. Step 3: Cross multiply
   89,913.58x = 134,897.37 × 42,564.76
4. Step 4: Simplify right side
   89,913.58x = 5,741,874,178.68
5. Step 5: Solve for x
   x = 5,741,874,178.68/89,913.58
6. Step 6: Final answer
   x = 63,859.92