Finding the Fourth Proportional to 76,101, 105,019.74 and 42,567

Step by Step Solution

1. Step 1: Write the proportion equation
   76,101 : 105,019.74 = 42,567 : x
2. Step 2: Convert to fraction form
   76,101/105,019.74 = 42,567/x
3. Step 3: Cross multiply
   76,101x = 105,019.74 × 42,567
4. Step 4: Simplify right side
   76,101x = 4,470,375,272.58
5. Step 5: Solve for x
   x = 4,470,375,272.58/76,101
6. Step 6: Final answer
   x = 58,742.66