Finding the Fourth Proportional to 89,782.48, 134,672.37 and 30,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,782.48 : 134,672.37 = 30,659.50 : x
2. Step 2: Convert to fraction form
   89,782.48/134,672.37 = 30,659.50/x
3. Step 3: Cross multiply
   89,782.48x = 134,672.37 × 30,659.50
4. Step 4: Simplify right side
   89,782.48x = 4,128,987,528.02
5. Step 5: Solve for x
   x = 4,128,987,528.02/89,782.48
6. Step 6: Final answer
   x = 45,988.79