Finding the Fourth Proportional to 76,352.96, 105,366.72 and 42,818.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,352.96 : 105,366.72 = 42,818.96 : x
2. Step 2: Convert to fraction form
   76,352.96/105,366.72 = 42,818.96/x
3. Step 3: Cross multiply
   76,352.96x = 105,366.72 × 42,818.96
4. Step 4: Simplify right side
   76,352.96x = 4,511,693,369.01
5. Step 5: Solve for x
   x = 4,511,693,369.01/76,352.96
6. Step 6: Final answer
   x = 59,089.96