Finding the Fourth Proportional to 76,158.39, 105,098.56 and 42,624.39

Step by Step Solution

1. Step 1: Write the proportion equation
   76,158.39 : 105,098.56 = 42,624.39 : x
2. Step 2: Convert to fraction form
   76,158.39/105,098.56 = 42,624.39/x
3. Step 3: Cross multiply
   76,158.39x = 105,098.56 × 42,624.39
4. Step 4: Simplify right side
   76,158.39x = 4,479,762,009.88
5. Step 5: Solve for x
   x = 4,479,762,009.88/76,158.39
6. Step 6: Final answer
   x = 58,821.65