Finding the Fourth Proportional to 113,598.72, 170,407.68 and 30,497.28

Step by Step Solution

1. Step 1: Write the proportion equation
   113,598.72 : 170,407.68 = 30,497.28 : x
2. Step 2: Convert to fraction form
   113,598.72/170,407.68 = 30,497.28/x
3. Step 3: Cross multiply
   113,598.72x = 170,407.68 × 30,497.28
4. Step 4: Simplify right side
   113,598.72x = 5,196,970,731.11
5. Step 5: Solve for x
   x = 5,196,970,731.11/113,598.72
6. Step 6: Final answer
   x = 45,748.50