Finding the Fourth Proportional to 89,738.37, 134,564.72 and 52,309.23

Step by Step Solution

1. Step 1: Write the proportion equation
   89,738.37 : 134,564.72 = 52,309.23 : x
2. Step 2: Convert to fraction form
   89,738.37/134,564.72 = 52,309.23/x
3. Step 3: Cross multiply
   89,738.37x = 134,564.72 × 52,309.23
4. Step 4: Simplify right side
   89,738.37x = 7,038,976,626.82
5. Step 5: Solve for x
   x = 7,038,976,626.82/89,738.37
6. Step 6: Final answer
   x = 78,438.87