Finding the Fourth Proportional to 113,444.52, 170,153.88 and 30,345

Step by Step Solution

1. Step 1: Write the proportion equation
   113,444.52 : 170,153.88 = 30,345 : x
2. Step 2: Convert to fraction form
   113,444.52/170,153.88 = 30,345/x
3. Step 3: Cross multiply
   113,444.52x = 170,153.88 × 30,345
4. Step 4: Simplify right side
   113,444.52x = 5,163,319,488.60
5. Step 5: Solve for x
   x = 5,163,319,488.60/113,444.52
6. Step 6: Final answer
   x = 45,514.05