Finding the Fourth Proportional to 132,603.49, 182,997.33 and 72,176.35

Step by Step Solution

1. Step 1: Write the proportion equation
   132,603.49 : 182,997.33 = 72,176.35 : x
2. Step 2: Convert to fraction form
   132,603.49/182,997.33 = 72,176.35/x
3. Step 3: Cross multiply
   132,603.49x = 182,997.33 × 72,176.35
4. Step 4: Simplify right side
   132,603.49x = 13,208,079,339.15
5. Step 5: Solve for x
   x = 13,208,079,339.15/132,603.49
6. Step 6: Final answer
   x = 99,605.82