Finding the Fourth Proportional to 113,109.99, 169,627.31 and 45,624.60

Step by Step Solution

1. Step 1: Write the proportion equation
   113,109.99 : 169,627.31 = 45,624.60 : x
2. Step 2: Convert to fraction form
   113,109.99/169,627.31 = 45,624.60/x
3. Step 3: Cross multiply
   113,109.99x = 169,627.31 × 45,624.60
4. Step 4: Simplify right side
   113,109.99x = 7,739,177,578.52
5. Step 5: Solve for x
   x = 7,739,177,578.52/113,109.99
6. Step 6: Final answer
   x = 68,421.70