Finding the Fourth Proportional to 76,468.69, 105,528.03 and 42,479.37

Step by Step Solution

1. Step 1: Write the proportion equation
   76,468.69 : 105,528.03 = 42,479.37 : x
2. Step 2: Convert to fraction form
   76,468.69/105,528.03 = 42,479.37/x
3. Step 3: Cross multiply
   76,468.69x = 105,528.03 × 42,479.37
4. Step 4: Simplify right side
   76,468.69x = 4,482,764,231.74
5. Step 5: Solve for x
   x = 4,482,764,231.74/76,468.69
6. Step 6: Final answer
   x = 58,622.22