Finding the Fourth Proportional to 113,290.86, 169,925.28 and 34,405.76

Step by Step Solution

1. Step 1: Write the proportion equation
   113,290.86 : 169,925.28 = 34,405.76 : x
2. Step 2: Convert to fraction form
   113,290.86/169,925.28 = 34,405.76/x
3. Step 3: Cross multiply
   113,290.86x = 169,925.28 × 34,405.76
4. Step 4: Simplify right side
   113,290.86x = 5,846,408,401.61
5. Step 5: Solve for x
   x = 5,846,408,401.61/113,290.86
6. Step 6: Final answer
   x = 51,605.30