Finding the Fourth Proportional to 113,245.83, 169,885.15 and 42,162.66

Step by Step Solution

1. Step 1: Write the proportion equation
   113,245.83 : 169,885.15 = 42,162.66 : x
2. Step 2: Convert to fraction form
   113,245.83/169,885.15 = 42,162.66/x
3. Step 3: Cross multiply
   113,245.83x = 169,885.15 × 42,162.66
4. Step 4: Simplify right side
   113,245.83x = 7,162,809,713.09
5. Step 5: Solve for x
   x = 7,162,809,713.09/113,245.83
6. Step 6: Final answer
   x = 63,250.10