Finding the Fourth Proportional to 113,933.31, 170,788.89 and 45,524.47

Step by Step Solution

1. Step 1: Write the proportion equation
   113,933.31 : 170,788.89 = 45,524.47 : x
2. Step 2: Convert to fraction form
   113,933.31/170,788.89 = 45,524.47/x
3. Step 3: Cross multiply
   113,933.31x = 170,788.89 × 45,524.47
4. Step 4: Simplify right side
   113,933.31x = 7,775,073,699.14
5. Step 5: Solve for x
   x = 7,775,073,699.14/113,933.31
6. Step 6: Final answer
   x = 68,242.32