Finding the Fourth Proportional to 76,552.33, 105,645.73 and 42,564.28

Step by Step Solution

1. Step 1: Write the proportion equation
   76,552.33 : 105,645.73 = 42,564.28 : x
2. Step 2: Convert to fraction form
   76,552.33/105,645.73 = 42,564.28/x
3. Step 3: Cross multiply
   76,552.33x = 105,645.73 × 42,564.28
4. Step 4: Simplify right side
   76,552.33x = 4,496,733,904.30
5. Step 5: Solve for x
   x = 4,496,733,904.30/76,552.33
6. Step 6: Final answer
   x = 58,740.65