Finding the Fourth Proportional to 76,233.69, 105,204.80 and 42,239.00

Step by Step Solution

1. Step 1: Write the proportion equation
   76,233.69 : 105,204.80 = 42,239.00 : x
2. Step 2: Convert to fraction form
   76,233.69/105,204.80 = 42,239.00/x
3. Step 3: Cross multiply
   76,233.69x = 105,204.80 × 42,239.00
4. Step 4: Simplify right side
   76,233.69x = 4,443,745,205.24
5. Step 5: Solve for x
   x = 4,443,745,205.24/76,233.69
6. Step 6: Final answer
   x = 58,291.09