Finding the Fourth Proportional to 113,041.33, 169,562.01 and 42,920.68

Step by Step Solution

1. Step 1: Write the proportion equation
   113,041.33 : 169,562.01 = 42,920.68 : x
2. Step 2: Convert to fraction form
   113,041.33/169,562.01 = 42,920.68/x
3. Step 3: Cross multiply
   113,041.33x = 169,562.01 × 42,920.68
4. Step 4: Simplify right side
   113,041.33x = 7,277,716,771.37
5. Step 5: Solve for x
   x = 7,277,716,771.37/113,041.33
6. Step 6: Final answer
   x = 64,381.03