Finding the Fourth Proportional to 113,048.10, 169,443.15 and 45,536.90

Step by Step Solution

1. Step 1: Write the proportion equation
   113,048.10 : 169,443.15 = 45,536.90 : x
2. Step 2: Convert to fraction form
   113,048.10/169,443.15 = 45,536.90/x
3. Step 3: Cross multiply
   113,048.10x = 169,443.15 × 45,536.90
4. Step 4: Simplify right side
   113,048.10x = 7,715,914,930.02
5. Step 5: Solve for x
   x = 7,715,914,930.02/113,048.10
6. Step 6: Final answer
   x = 68,253.38