Finding the Fourth Proportional to 89,623.27, 134,403.57 and 26,426.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,623.27 : 134,403.57 = 26,426.62 : x
2. Step 2: Convert to fraction form
   89,623.27/134,403.57 = 26,426.62/x
3. Step 3: Cross multiply
   89,623.27x = 134,403.57 × 26,426.62
4. Step 4: Simplify right side
   89,623.27x = 3,551,832,071.03
5. Step 5: Solve for x
   x = 3,551,832,071.03/89,623.27
6. Step 6: Final answer
   x = 39,630.69