Finding the Fourth Proportional to 113,429.78, 170,131.71 and 30,330.26

Step by Step Solution

1. Step 1: Write the proportion equation
   113,429.78 : 170,131.71 = 30,330.26 : x
2. Step 2: Convert to fraction form
   113,429.78/170,131.71 = 30,330.26/x
3. Step 3: Cross multiply
   113,429.78x = 170,131.71 × 30,330.26
4. Step 4: Simplify right side
   113,429.78x = 5,160,138,672.14
5. Step 5: Solve for x
   x = 5,160,138,672.14/113,429.78
6. Step 6: Final answer
   x = 45,491.92