Finding the Fourth Proportional to 118,981.63, 178,630.84 and 69,097.53

Step by Step Solution

1. Step 1: Write the proportion equation
   118,981.63 : 178,630.84 = 69,097.53 : x
2. Step 2: Convert to fraction form
   118,981.63/178,630.84 = 69,097.53/x
3. Step 3: Cross multiply
   118,981.63x = 178,630.84 × 69,097.53
4. Step 4: Simplify right side
   118,981.63x = 12,342,949,825.83
5. Step 5: Solve for x
   x = 12,342,949,825.83/118,981.63
6. Step 6: Final answer
   x = 103,738.28