Finding the Fourth Proportional to 113,429.67, 170,131.53 and 30,330.15

Step by Step Solution

1. Step 1: Write the proportion equation
   113,429.67 : 170,131.53 = 30,330.15 : x
2. Step 2: Convert to fraction form
   113,429.67/170,131.53 = 30,330.15/x
3. Step 3: Cross multiply
   113,429.67x = 170,131.53 × 30,330.15
4. Step 4: Simplify right side
   113,429.67x = 5,160,114,824.63
5. Step 5: Solve for x
   x = 5,160,114,824.63/113,429.67
6. Step 6: Final answer
   x = 45,491.76