Finding the Fourth Proportional to 118,290.56, 177,435.84 and 69,008

Step by Step Solution

1. Step 1: Write the proportion equation
   118,290.56 : 177,435.84 = 69,008 : x
2. Step 2: Convert to fraction form
   118,290.56/177,435.84 = 69,008/x
3. Step 3: Cross multiply
   118,290.56x = 177,435.84 × 69,008
4. Step 4: Simplify right side
   118,290.56x = 12,244,492,446.72
5. Step 5: Solve for x
   x = 12,244,492,446.72/118,290.56
6. Step 6: Final answer
   x = 103,512