Finding the Fourth Proportional to 113,599.72, 170,409.18 and 30,498.28

Step by Step Solution

1. Step 1: Write the proportion equation
   113,599.72 : 170,409.18 = 30,498.28 : x
2. Step 2: Convert to fraction form
   113,599.72/170,409.18 = 30,498.28/x
3. Step 3: Cross multiply
   113,599.72x = 170,409.18 × 30,498.28
4. Step 4: Simplify right side
   113,599.72x = 5,197,186,886.21
5. Step 5: Solve for x
   x = 5,197,186,886.21/113,599.72
6. Step 6: Final answer
   x = 45,750.00