Finding the Fourth Proportional to 76,551.33, 105,644.35 and 42,563.27

Step by Step Solution

1. Step 1: Write the proportion equation
   76,551.33 : 105,644.35 = 42,563.27 : x
2. Step 2: Convert to fraction form
   76,551.33/105,644.35 = 42,563.27/x
3. Step 3: Cross multiply
   76,551.33x = 105,644.35 × 42,563.27
4. Step 4: Simplify right side
   76,551.33x = 4,496,569,310.34
5. Step 5: Solve for x
   x = 4,496,569,310.34/76,551.33
6. Step 6: Final answer
   x = 58,739.27