Finding the Fourth Proportional to 118,699.98, 178,087.41 and 52,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   118,699.98 : 178,087.41 = 52,196.10 : x
2. Step 2: Convert to fraction form
   118,699.98/178,087.41 = 52,196.10/x
3. Step 3: Cross multiply
   118,699.98x = 178,087.41 × 52,196.10
4. Step 4: Simplify right side
   118,699.98x = 9,295,468,261.10
5. Step 5: Solve for x
   x = 9,295,468,261.10/118,699.98
6. Step 6: Final answer
   x = 78,310.61