Finding the Fourth Proportional to 30,134.43, 45,196.48 and 7,948.02

Step by Step Solution

1. Step 1: Write the proportion equation
   30,134.43 : 45,196.48 = 7,948.02 : x
2. Step 2: Convert to fraction form
   30,134.43/45,196.48 = 7,948.02/x
3. Step 3: Cross multiply
   30,134.43x = 45,196.48 × 7,948.02
4. Step 4: Simplify right side
   30,134.43x = 359,222,706.39
5. Step 5: Solve for x
   x = 359,222,706.39/30,134.43
6. Step 6: Final answer
   x = 11,920.67