Finding the Fourth Proportional to 113,054.42, 169,581.45 and 42,933.62

Step by Step Solution

1. Step 1: Write the proportion equation
   113,054.42 : 169,581.45 = 42,933.62 : x
2. Step 2: Convert to fraction form
   113,054.42/169,581.45 = 42,933.62/x
3. Step 3: Cross multiply
   113,054.42x = 169,581.45 × 42,933.62
4. Step 4: Simplify right side
   113,054.42x = 7,280,745,533.35
5. Step 5: Solve for x
   x = 7,280,745,533.35/113,054.42
6. Step 6: Final answer
   x = 64,400.36