Finding the Fourth Proportional to 76,056.84, 104,956.56 and 42,066.54

Step by Step Solution

1. Step 1: Write the proportion equation
   76,056.84 : 104,956.56 = 42,066.54 : x
2. Step 2: Convert to fraction form
   76,056.84/104,956.56 = 42,066.54/x
3. Step 3: Cross multiply
   76,056.84x = 104,956.56 × 42,066.54
4. Step 4: Simplify right side
   76,056.84x = 4,415,159,329.50
5. Step 5: Solve for x
   x = 4,415,159,329.50/76,056.84
6. Step 6: Final answer
   x = 58,050.79