Finding the Fourth Proportional to 67,979.24, 93,845.46 and 42,499.76

Step by Step Solution

1. Step 1: Write the proportion equation
   67,979.24 : 93,845.46 = 42,499.76 : x
2. Step 2: Convert to fraction form
   67,979.24/93,845.46 = 42,499.76/x
3. Step 3: Cross multiply
   67,979.24x = 93,845.46 × 42,499.76
4. Step 4: Simplify right side
   67,979.24x = 3,988,409,527.09
5. Step 5: Solve for x
   x = 3,988,409,527.09/67,979.24
6. Step 6: Final answer
   x = 58,670.99