Finding the Fourth Proportional to 123,152.48, 169,951.43 and 72,166.67

Step by Step Solution

1. Step 1: Write the proportion equation
   123,152.48 : 169,951.43 = 72,166.67 : x
2. Step 2: Convert to fraction form
   123,152.48/169,951.43 = 72,166.67/x
3. Step 3: Cross multiply
   123,152.48x = 169,951.43 × 72,166.67
4. Step 4: Simplify right side
   123,152.48x = 12,264,828,906.35
5. Step 5: Solve for x
   x = 12,264,828,906.35/123,152.48
6. Step 6: Final answer
   x = 99,590.60