Finding the Fourth Proportional to 67,981.08, 93,839.16 and 58,382.43

Step by Step Solution

1. Step 1: Write the proportion equation
   67,981.08 : 93,839.16 = 58,382.43 : x
2. Step 2: Convert to fraction form
   67,981.08/93,839.16 = 58,382.43/x
3. Step 3: Cross multiply
   67,981.08x = 93,839.16 × 58,382.43
4. Step 4: Simplify right side
   67,981.08x = 5,478,558,189.96
5. Step 5: Solve for x
   x = 5,478,558,189.96/67,981.08
6. Step 6: Final answer
   x = 80,589.46