Finding the Fourth Proportional to 118,978.31, 178,448.32 and 34,718.69

Step by Step Solution

1. Step 1: Write the proportion equation
   118,978.31 : 178,448.32 = 34,718.69 : x
2. Step 2: Convert to fraction form
   118,978.31/178,448.32 = 34,718.69/x
3. Step 3: Cross multiply
   118,978.31x = 178,448.32 × 34,718.69
4. Step 4: Simplify right side
   118,978.31x = 6,195,492,262.42
5. Step 5: Solve for x
   x = 6,195,492,262.42/118,978.31
6. Step 6: Final answer
   x = 52,072.45