Finding the Fourth Proportional to 89,968.43, 134,862.33 and 30,763.61

Step by Step Solution

1. Step 1: Write the proportion equation
   89,968.43 : 134,862.33 = 30,763.61 : x
2. Step 2: Convert to fraction form
   89,968.43/134,862.33 = 30,763.61/x
3. Step 3: Cross multiply
   89,968.43x = 134,862.33 × 30,763.61
4. Step 4: Simplify right side
   89,968.43x = 4,148,852,123.81
5. Step 5: Solve for x
   x = 4,148,852,123.81/89,968.43
6. Step 6: Final answer
   x = 46,114.53