Finding the Fourth Proportional to 113,498.10, 170,247.15 and 30,392.10

Step by Step Solution

1. Step 1: Write the proportion equation
   113,498.10 : 170,247.15 = 30,392.10 : x
2. Step 2: Convert to fraction form
   113,498.10/170,247.15 = 30,392.10/x
3. Step 3: Cross multiply
   113,498.10x = 170,247.15 × 30,392.10
4. Step 4: Simplify right side
   113,498.10x = 5,174,168,407.52
5. Step 5: Solve for x
   x = 5,174,168,407.52/113,498.10
6. Step 6: Final answer
   x = 45,588.15