Finding the Fourth Proportional to 76,469.04, 105,523.70 and 42,479.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,469.04 : 105,523.70 = 42,479.69 : x
2. Step 2: Convert to fraction form
   76,469.04/105,523.70 = 42,479.69/x
3. Step 3: Cross multiply
   76,469.04x = 105,523.70 × 42,479.69
4. Step 4: Simplify right side
   76,469.04x = 4,482,613,323.64
5. Step 5: Solve for x
   x = 4,482,613,323.64/76,469.04
6. Step 6: Final answer
   x = 58,619.98