Finding the Fourth Proportional to 76,502, 105,582.66 and 42,968

Step by Step Solution

1. Step 1: Write the proportion equation
   76,502 : 105,582.66 = 42,968 : x
2. Step 2: Convert to fraction form
   76,502/105,582.66 = 42,968/x
3. Step 3: Cross multiply
   76,502x = 105,582.66 × 42,968
4. Step 4: Simplify right side
   76,502x = 4,536,675,734.88
5. Step 5: Solve for x
   x = 4,536,675,734.88/76,502
6. Step 6: Final answer
   x = 59,301.40