Finding the Fourth Proportional to 76,482, 105,550.56 and 42,948

Step by Step Solution

1. Step 1: Write the proportion equation
   76,482 : 105,550.56 = 42,948 : x
2. Step 2: Convert to fraction form
   76,482/105,550.56 = 42,948/x
3. Step 3: Cross multiply
   76,482x = 105,550.56 × 42,948
4. Step 4: Simplify right side
   76,482x = 4,533,185,450.88
5. Step 5: Solve for x
   x = 4,533,185,450.88/76,482
6. Step 6: Final answer
   x = 59,271.27