Finding the Fourth Proportional to 118,981.23, 178,414.43 and 69,073.89

Step by Step Solution

1. Step 1: Write the proportion equation
   118,981.23 : 178,414.43 = 69,073.89 : x
2. Step 2: Convert to fraction form
   118,981.23/178,414.43 = 69,073.89/x
3. Step 3: Cross multiply
   118,981.23x = 178,414.43 × 69,073.89
4. Step 4: Simplify right side
   118,981.23x = 12,323,778,879.55
5. Step 5: Solve for x
   x = 12,323,778,879.55/118,981.23
6. Step 6: Final answer
   x = 103,577.51