Finding the Fourth Proportional to 89,707.35, 134,484.69 and 39,760.23

Step by Step Solution

1. Step 1: Write the proportion equation
   89,707.35 : 134,484.69 = 39,760.23 : x
2. Step 2: Convert to fraction form
   89,707.35/134,484.69 = 39,760.23/x
3. Step 3: Cross multiply
   89,707.35x = 134,484.69 × 39,760.23
4. Step 4: Simplify right side
   89,707.35x = 5,347,142,205.88
5. Step 5: Solve for x
   x = 5,347,142,205.88/89,707.35
6. Step 6: Final answer
   x = 59,606.51