Finding the Fourth Proportional to 118,980.63, 178,629.34 and 69,096.53

Step by Step Solution

1. Step 1: Write the proportion equation
   118,980.63 : 178,629.34 = 69,096.53 : x
2. Step 2: Convert to fraction form
   118,980.63/178,629.34 = 69,096.53/x
3. Step 3: Cross multiply
   118,980.63x = 178,629.34 × 69,096.53
4. Step 4: Simplify right side
   118,980.63x = 12,342,667,550.19
5. Step 5: Solve for x
   x = 12,342,667,550.19/118,980.63
6. Step 6: Final answer
   x = 103,736.78