Finding the Fourth Proportional to 113,468.10, 170,123.31 and 50,253.78

Step by Step Solution

1. Step 1: Write the proportion equation
   113,468.10 : 170,123.31 = 50,253.78 : x
2. Step 2: Convert to fraction form
   113,468.10/170,123.31 = 50,253.78/x
3. Step 3: Cross multiply
   113,468.10x = 170,123.31 × 50,253.78
4. Step 4: Simplify right side
   113,468.10x = 8,549,339,393.61
5. Step 5: Solve for x
   x = 8,549,339,393.61/113,468.10
6. Step 6: Final answer
   x = 75,345.75