Finding the Fourth Proportional to 76,469.77, 105,531.24 and 42,480.83

Step by Step Solution

1. Step 1: Write the proportion equation
   76,469.77 : 105,531.24 = 42,480.83 : x
2. Step 2: Convert to fraction form
   76,469.77/105,531.24 = 42,480.83/x
3. Step 3: Cross multiply
   76,469.77x = 105,531.24 × 42,480.83
4. Step 4: Simplify right side
   76,469.77x = 4,483,055,089.26
5. Step 5: Solve for x
   x = 4,483,055,089.26/76,469.77
6. Step 6: Final answer
   x = 58,625.19