Finding the Fourth Proportional to 299,016.76, 448,448.71 and 88,605.49

Step by Step Solution

1. Step 1: Write the proportion equation
   299,016.76 : 448,448.71 = 88,605.49 : x
2. Step 2: Convert to fraction form
   299,016.76/448,448.71 = 88,605.49/x
3. Step 3: Cross multiply
   299,016.76x = 448,448.71 × 88,605.49
4. Step 4: Simplify right side
   299,016.76x = 39,735,017,689.42
5. Step 5: Solve for x
   x = 39,735,017,689.42/299,016.76
6. Step 6: Final answer
   x = 132,885.59