Finding the Fourth Proportional to 113,196.86, 169,863.33 and 42,171.74

Step by Step Solution

1. Step 1: Write the proportion equation
   113,196.86 : 169,863.33 = 42,171.74 : x
2. Step 2: Convert to fraction form
   113,196.86/169,863.33 = 42,171.74/x
3. Step 3: Cross multiply
   113,196.86x = 169,863.33 × 42,171.74
4. Step 4: Simplify right side
   113,196.86x = 7,163,432,188.29
5. Step 5: Solve for x
   x = 7,163,432,188.29/113,196.86
6. Step 6: Final answer
   x = 63,282.96