Finding the Fourth Proportional to 76,323.96, 105,327 and 42,789.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,323.96 : 105,327 = 42,789.96 : x
2. Step 2: Convert to fraction form
   76,323.96/105,327 = 42,789.96/x
3. Step 3: Cross multiply
   76,323.96x = 105,327 × 42,789.96
4. Step 4: Simplify right side
   76,323.96x = 4,506,938,116.92
5. Step 5: Solve for x
   x = 4,506,938,116.92/76,323.96
6. Step 6: Final answer
   x = 59,050.11