Finding the Fourth Proportional to 58,606.20, 80,856.50 and 38,178.81

Step by Step Solution

1. Step 1: Write the proportion equation
   58,606.20 : 80,856.50 = 38,178.81 : x
2. Step 2: Convert to fraction form
   58,606.20/80,856.50 = 38,178.81/x
3. Step 3: Cross multiply
   58,606.20x = 80,856.50 × 38,178.81
4. Step 4: Simplify right side
   58,606.20x = 3,087,004,759.87
5. Step 5: Solve for x
   x = 3,087,004,759.87/58,606.20
6. Step 6: Final answer
   x = 52,673.69