Finding the Fourth Proportional to 152,778.69, 229,174.25 and 72,775.53

Step by Step Solution

1. Step 1: Write the proportion equation
   152,778.69 : 229,174.25 = 72,775.53 : x
2. Step 2: Convert to fraction form
   152,778.69/229,174.25 = 72,775.53/x
3. Step 3: Cross multiply
   152,778.69x = 229,174.25 × 72,775.53
4. Step 4: Simplify right side
   152,778.69x = 16,678,277,506.10
5. Step 5: Solve for x
   x = 16,678,277,506.10/152,778.69
6. Step 6: Final answer
   x = 109,166.26