Finding the Fourth Proportional to 89,383.96, 134,068.96 and 42,009.40

Step by Step Solution

1. Step 1: Write the proportion equation
   89,383.96 : 134,068.96 = 42,009.40 : x
2. Step 2: Convert to fraction form
   89,383.96/134,068.96 = 42,009.40/x
3. Step 3: Cross multiply
   89,383.96x = 134,068.96 × 42,009.40
4. Step 4: Simplify right side
   89,383.96x = 5,632,156,568.22
5. Step 5: Solve for x
   x = 5,632,156,568.22/89,383.96
6. Step 6: Final answer
   x = 63,010.82