Finding the Fourth Proportional to 76,554.77, 105,650.33 and 42,563.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,554.77 : 105,650.33 = 42,563.52 : x
2. Step 2: Convert to fraction form
   76,554.77/105,650.33 = 42,563.52/x
3. Step 3: Cross multiply
   76,554.77x = 105,650.33 × 42,563.52
4. Step 4: Simplify right side
   76,554.77x = 4,496,849,721.14
5. Step 5: Solve for x
   x = 4,496,849,721.14/76,554.77
6. Step 6: Final answer
   x = 58,740.30