Finding the Fourth Proportional to 311,100.69, 466,654.62 and 131,216.52

Step by Step Solution

1. Step 1: Write the proportion equation
   311,100.69 : 466,654.62 = 131,216.52 : x
2. Step 2: Convert to fraction form
   311,100.69/466,654.62 = 131,216.52/x
3. Step 3: Cross multiply
   311,100.69x = 466,654.62 × 131,216.52
4. Step 4: Simplify right side
   311,100.69x = 61,232,795,278.32
5. Step 5: Solve for x
   x = 61,232,795,278.32/311,100.69
6. Step 6: Final answer
   x = 196,826.29