Finding the Fourth Proportional to 118,982.89, 178,632.72 and 69,098.79

Step by Step Solution

1. Step 1: Write the proportion equation
   118,982.89 : 178,632.72 = 69,098.79 : x
2. Step 2: Convert to fraction form
   118,982.89/178,632.72 = 69,098.79/x
3. Step 3: Cross multiply
   118,982.89x = 178,632.72 × 69,098.79
4. Step 4: Simplify right side
   118,982.89x = 12,343,304,806.41
5. Step 5: Solve for x
   x = 12,343,304,806.41/118,982.89
6. Step 6: Final answer
   x = 103,740.17