Finding the Fourth Proportional to 76,559.15, 105,651.52 and 42,566.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,559.15 : 105,651.52 = 42,566.56 : x
2. Step 2: Convert to fraction form
   76,559.15/105,651.52 = 42,566.56/x
3. Step 3: Cross multiply
   76,559.15x = 105,651.52 × 42,566.56
4. Step 4: Simplify right side
   76,559.15x = 4,497,221,394.63
5. Step 5: Solve for x
   x = 4,497,221,394.63/76,559.15
6. Step 6: Final answer
   x = 58,741.79