Finding the Fourth Proportional to 89,869.48, 134,820.06 and 30,691.27

Step by Step Solution

1. Step 1: Write the proportion equation
   89,869.48 : 134,820.06 = 30,691.27 : x
2. Step 2: Convert to fraction form
   89,869.48/134,820.06 = 30,691.27/x
3. Step 3: Cross multiply
   89,869.48x = 134,820.06 × 30,691.27
4. Step 4: Simplify right side
   89,869.48x = 4,137,798,862.88
5. Step 5: Solve for x
   x = 4,137,798,862.88/89,869.48
6. Step 6: Final answer
   x = 46,042.31